Complete Freightliner Fault Code List (PID, MID, SID) (2024)

Once the electronic and technological age took over, there had to be a method to guide repairs. The simplest solution was to create fault codes. Some are easy to understand and others are not. It is a good thing there are lots of lists.

Freightliner is like a lot of other manufacturing companies. They have created their own fault code list to make sure their products can be repaired correctly. In this article, you will find the complete list of Freightliner PID, MID, and SID fault codes to make your repair life simpler.

To learn about these fault codes and other pieces of vital information, just continue to read our article. It has those codes as well as other important information so you can find what is wrong with your Freight liner engine quickly

Freightliner Fault Codes

Freightliner Fault Code List (PID, MID, SID)

Freightliner MID / Description

Freightliner Parameter Codes (PID) 51 – 63

Parameter Codes (PID) 64 – 97

Parameter Codes (PID) 98 – 127

Parameter Codes (PID) 154 – 183

Parameter Codes (PID) 184 – 253

MID 128 Engine Subsystem Codes 1 – 32

MID 128 Engine Subsystem Codes 65 – 78

MID 136 Codes Subsystems ABS 15 – 47

MID 136 Codes Subsystems ABS 48 – 80

MID 190 Air Conditioner Subsystem Fault Codes

MID 219 VORAD Radar Subsystem Fault Codes

General Subsystem Fault Codes (SID for any MIDs) 151 – 153

General Subsystem Fault Codes (SID for any MIDs) 154 – 248

General Subsystem Codes (SID for any MIDs) 249 – 254

The J1587, J1708 & The J1939 System

Complete Freightliner Fault Code List (PID, MID, SID) (1)

It all started in the early 1990s when the SAE or Society of Automotive Engineers decided that the industry needed a standardized system for onboard networks.

The SAE decided to do this to avoid the discrepant and proprietary protocols adopted by the manufacturers of light-duty vehicles. So they developed the original two-layered system some trucks still use today.

This original system used what are called designators and they are - the J1708 – the physical layer (i.e., or wiring), and J1587 – the message layer or data format. To read this information, the 6-pin Deutsch connector was invented to provide access to this data and other key information.

The problem with this original system was that it was too limited in scope and the amount of data and sophisticated components that could be used. It operated under a network speed of 9600 bits/second.

This was just too slow and probably got in the way of technological upgrades that required more sophisticated data communication systems to work properly. This spurred the SAE to develop a better system of communication where more components could be supported

The Association started off by using the then current CAN or Control Area Network that was used for the 1980s light vehicles. Calling it the J1939, the SAE customized everything so that the data speed rate was elevated to 250K bits per second.

This improvement became a success and by 2005 most heavy-duty truck and engine manufacturers had adopted this system for many of their vehicles and motors. The J1939 was also given its own connector and it was called the 9-pin Deutsch connector. What this design did was accommodate the needs of the J1587 & 1708 systems as well as the new 9-pin wiring and a spot for a 2nd CAN connection.

Both systems are still in use and you will have to determine if your truck uses the J1708 system or the newer 1939 system. If your truck is more recent, it may be using the updated J1939-14 system which communicates at a speed of 500K bits per second.

This information is important because to diagnose the different fault codes in this and other lists, you need a reader that can work with any or all of these communication systems. (source)

The complete changeover to the new J1939 system took place around 2013. if your truck is older than that, you may have the older J1708 system

Freightliner Fault Code List (PID, MID, SID)

You may hear these letters spoken a lot but are not sure of what they mean. Here is a little table to provide at a glance, what the letters stand for and what they do

PID Parameter Identification Identifies data being displayed
MID Message Identification System message is coming from
SID SubSystem Identification Specific location of the problem- category is broken down into the following- Common, Engine, Brakes & Transmission SIDs
PPID Proprietary Parameter Identification* Volvo & MACK fault code system
PSID Proprietary SubSystem Identification* Volvo & Mack fault code system

* Not just Volvo and Mack, other manufacturers have added their own SIDs to further complicate the system. You would have to get the lists for these directly from the manufacturer.

PIDs go from 1 to 511 which may seem like a lot but when you compare it to the SPN list it is a minute number. The SPN fault code list is from 0 to 50,000+. However, you need to be careful as not every manufacturer uses every SPN fault code. CAT is an example of one manufacturer that does this.

The FMI, not listed here goes from 0 to 21 with some extras reserved for the SAE to add to this code list.

Freightliner MID / Description

128 Engine # 1 ENGINE ENG

130 automatic transmission – † Trans

136 Anti-lock Brake System (ABS) TRCTR BRK Brake

140 Panel, Left INSTRCLST Instr

142 Panel, Right # 1 INSTRCLST MGMT

172 Diagnostic System DIAGNOSTC DIAG

179 Black Box LOG CMPTR CMPTR

181 Satellite System COMM SAT by Satl

190 ACPU A / C air conditioning

219 Radar VORAD Radar

231 Cellular Communication System COMM CELL Phone

234 Panel, Right # 2 INSTRCLST Instr

Freightliner Parameter Codes (PID) 51 – 63

51 Position Pedal Strip THROTTLE POS Throttle Pos

52 Temperature Intercooler INTERCLR TEMP Intercool TEMP

53 SYNCRO CLUTCH Synchro Clutch Synchronizer Clutch

54 SYNCRO BRAKE Synchro Brake Synchronizer Brake

55 Position of the Controlling Finger PPC SHFT FNGR POS Shift FNGR Pos

56 Range Switch Status RANGE SWITCH RANGE Switch

57 Status Activator # 2 Transmission ACTTRSTATUS # 2 Actuator # 2

58 Gearshift Gearshift Gearbox Status SHFT FNGR ACT Shift FNGR Act

59 Status of the Engine Fingertip Gearbox SHFT FNGR GEAR Shift FNGR Gear

60 Position Backstage Gearbox SHFT FNGR RAIL Shift FNGR Rail

61 Status of the Activator of the Parking Brake PRKBRKACTUATOR Park Brake Act

62 Motor Brake Status RETARDRINHIBIT RetardrInhibit

63 Status Activator # 1 ACT STATUS # 1 Gearbox Actuator # 1

Parameter Codes (PID) 64 – 97

Complete Freightliner Fault Code List (PID, MID, SID) (2)

64 Direction Switch Status DIRCTNSWCHSTAT Dir Switch

65 Status of Brake Switch SVCBRK SW STAT Serv Brake Sw

66 Vehicle Enabling Component Status VEHENABLCMPTST Veh ENABLING

67 Status Gear Connect Switch SHFT RQST SWCH Shift RQST Switch

68 Factor Torque Limitations TRQ LIMIT FCTR TORQ LimitFctr

69 2SPEEDAXLSWTCH 2 SPEEDAxl Sw 2 Speed ​​Axle Switch Status

70 PARKBRK SWITCH Park Brake Sw Parking Brake Switch

71 Status Idle Timer IDLESHUTDWNTMR by IdleShutdwnTmr

72 Position of Air Valve in Air Conditioner BLOWRBYPASSPOS Blowr BYPASVal

73 Additional Pump Pressure AUXWATRPMPPRSS Aux PUMP Press

74 Maximum Motion Speed ​​MAXROADSPEED Max ROAD SPEED

75 Front Axle Oil Temperature STRNGAXLTEMP Str. Axle temp

76 Axis Lifter Pressure AXLLIFTAIRPRES Axle Lift Pres

77 Average Axis Oil Temperature FWDRRDRVAXLTMP FR by DrvAxl TEMP

78 Oil Temperature Rear Axle RRRRDRVAXLTEMP by RR DrvAxl TEMP

79 Road Coating Temperature ROAD SRFC TEMP Road Surf TEMP

80 Level Washer Level Washer Level WASHRFLUIDLEVL

81 Particle Trap Pressure PARTTRAPINLPRS PartTRAP Press

82 Pressure Pneumatic Starter Systems by AIRSTARTPRESS Air Start Pres

83 Status Movement Speed ​​Limit ROADSPDLIMITST ROAD SPEED Lim

84 Motion Speed ​​ROAD SPEED ROAD SPEED

85 Cruise Switch CRUISECNTRLST Cruise Status

86 Cruise Switch “Set Speed” CRUISE SET Cruise Set

87 Cruise Switch “High — Set” CRUISE HI SET Cruise Hi Set

88 Cruise Switch “Low — Set” CRUISE LO SET Cruise Lo Set

89 PTO STATUS PTO Status PTO Status

90 PTO OIL TEMP PTO Oil TEMP

91 Position of the Pedal Strip (Percent of Full Turn) ACCEL PDL POS% Throttle Pedal

92 Percent Load on Engine ENG LOAD%% ENG LOAD

93 Outgoing Torque by OUTPUT TORQUE OUTPUT TORQUE

94 Fuel Feed Pressure FUEL DLVR PRSS Fuel DlvrPress

95 Pressure Difference through Fuel Filter by FUEL FILTER Fuel Filter

96 Fuel Level FUEL LEVEL Fuel Level

97 Water Indicator in Fuel by WATER IN FUEL Water In Fuel

Parameter Codes (PID) 98 – 127

98 Engine Oil Level OIL LEVEL Oil Level

99 Pressure Difference through Oil Filter OIL FLTR PRES Oil Fltr Pres

100 Engine Oil Pressure OIL PRESSURE Oil Pressure

101 Pressure Carter Gas CRANKCASE PRES CrankcasePress

102 Pressure Added by BOOST PRESSR Boost Press Turbocharger

103 TURBO SPEED Turbo SPEED Turbocharger Speed

104 Oil Pressure in Turbocharger TURBO OIL PRES TurboOilPress

105 Collector Pressure INTKMNFLDTEMP IntakeAir TEMP

106 Air Pressure Included in AIR INLET Filter PRSS AirInlet Press

107 Pressure Difference through Air Filter AIR FILTER Air Filter

108 Barometric Pressure BAROM PRESSURE Baro Press

109 Coolant Pressure COOLNT PRESSR Coolant Press

110 Coolant Temperature ENGCOOLANTTEMP Coolant TEMP

111 Coolant Level COOLANT LEVEL Coolant Level

112 Pressure Difference through Antifreeze Filter CLNTFLTRDIFPRS CoolFltDiffPrs

113 Range Compressor Regulator GOVERNOR DROOP Governor DROOP

114 Battery Pack Current (Amps) NET BATT CURR Battery AMPS

115 Generator Current (Amps) ALTERNATORAMPS Alternator AMPS

116 Working Pressure Brakes BRK APPL PRESS APPLI Press

117 Pressure of 1st Receiver BRK PRIM PRESS Primary Press

118 Pressure 2nd Receiver BRK SEC PRESSR Sec. Press

119 Hydraulic Retarder Pressure HYD RTDR PRESS Retarder Press

120 Hydraulic Retarder Oil Temperature HYDRRTDROILTMP Retdr Oil TEMP

121 Motor Brake Status ENGRTDRSTATUS Retardr Status

122% Engine Brake Percentage ENG RETARDER%% Retarder

123 CLUTCH PRESSR Clutch Press Clutch Pressure

124 Oil Level at Gearbox OIL LEVEL Oil Level

125 Oil Level Gauge at Gearbox TRANSOIL HI / LO Oil Level

126 Pressure Difference through Oil Filter in Gearbox FILTER PRESSUR FilterDifPress

127 Oil Pressure in Transmission OIL PRESSURE Oil Pressure

Parameter Codes (PID) 154 – 183

154 Auxiliary IN / OUT Status # 2 AUX INP / OUTP # 2 Aux. In / Out # 2

155 Auxiliary IN / OUT status # 1 AUX IN / OUT # 1 Aux. In / Out # 1

156 Total Pressure Nozzle Distribution System AUX IN / OUT # 1 Inj Time Press

157 Total Pressure Injector Supply System INJ METR RLPRS Inj Metr Press

158 Switched Battery Voltage BATTVLTGSWTCHD Volts (BattSw)

159 Gas Pressure (non-diesel) GAS SUPLY PRS Gas Press

160 Secondary Shaft Speed ​​MAINSHAFTSPEED MainShaftSPEED

161 INPUTSHAFT SPD In Shaft SPEED Input Shaft Speed

162 Position Range switch CAT RANGE SELECTED RANGE Selected

163 Position “Range” CAT RANGE ATTAINED RANGE Attained

164 Pressure Injection Control INJ CTRL PRESR Inj Ctrl Press

165 Compass COMPASSBEARING COMPASS Dir.

166 Engine Power Rating RATED ENG PWR Rated Power

167 Voltage on a VOLTS (ALT) Volts (Alt) Generator

168 Voltage on VOLTS Batteries (BATT) Volts (Batt)

169 Temperature Inside the Body CARGOAMBTEMP CARGO TEMP

170 Temperature Inside the Cab CAB INT TEMP CAB TEMP

171 Outdoor Temperature AMB AIR TEMP Outside TEMP

172 Temperature in the Collector AIR INLET TEMP Air Inlet TEMP

173 Exhaust Gas Temperature EXH GAS TEMP Exh Gas TEMP

174 Fuel Temperature FUEL TEMP Fuel TEMP

175 Engine Oil Temperature ENG OIL TEMP Oil TEMP

176 Oil Temperature in Turbocharger TURBO OIL TEMP Turbo Oil TEMP

177 Oil temperature at gearbox. TRAN OIL TEMP Oil TEMP

178 Front Axle Load FRONT AXLE WT Front Axle Wt.

179 Rear Axle Load REAR AXLE WT Rear Axle Wt.

180 Trailer Weight TRAILER WEIGHT Trailer WEIGHT

181 Cargo Weight CARGO WEIGHT CARGO WEIGHT

182 Fuel Amounts Per Trip TRIP FUEL TRIP Fuel

183 Fuel Consumption FUEL RATE Fuel Rate

Parameter Codes (PID) 184 – 253

184 Instant Fuel Consumption INST FUEL ECON Inst Fuel Econ

185 Average Fuel Consumption AVG FUEL ECON AVG. Fuel econ

Parameter Codes (PID) 184 – 253

186 PTO SPEED PTO SPEED Power Take Off Speed

187 PTO SET SPEED PTO Set SPEED Speed ​​Limit Box

188 Idle Turns by IDLE ENG SPEED Idle ENG SPEED

189 Engine Speed ​​Rating RATED ENG SPD Rated SPEED

190 Engine Speed ​​ENGINE SPEED ENGINE SPEED

191 Speed ​​Output Shaft Gearbox TRAN OUT SPEED OUTPUT SPEED

232 DGPS fix DGPS DIF CRCTN DGPS Correctn

233 Factory Code POWER UNIT # – †

234 Software Version SOFTWARE ID Software ID

235 TOTL IDLE HRS Total Idle Hrs Clock Total Watch

236 TOTL IDLE FUEL Totl Idle Fuel Total Fuel

237 VIN VIN VIN

238 Velocity Direction of the VELOCITYVECTOR VelocityVector

239 Vehicle Position (GPS) by VEHICLE POS Veh. Position

240 Factory Code CHG REF # CHANGE Ref #

241 Tire Wheel Pressure TIRE PRESSURE Tire Pressure

242 Wheel Temperature TIRE TEMP Tire TEMP

243 Component Identification COMPONENT ID COMPONENT ID

244 Run Trips TRIP DISTANCE TRIP Distance

245 Total TOTAL VEH DIST Total Veh Dist

246 Total Working Hours Machine TOTAL VEH HRS Total Veh Hrs.

247 Total Engine Hours TOTAL ENG HRS Total ENG Hrs.

248 Total Power Pickup Hours TOTAL PTO HRS Total PTO Hrs.

249 Total Engine Speed ​​TOTAL ENG REVS Total ENG Revs

250 Total Fuel Burn TOTAL FUELUSED Total FUELUsed

251 Clock CLOCK Clock

252 Date DATE Date

253 Total Hours ECM ELAPSED TIME ELAPSED Time

MID 128 Engine Subsystem Codes 1 – 32

Complete Freightliner Fault Code List (PID, MID, SID) (3)

1 Nozzle Cylinder # 1 CYL # 1 INJECTR Cyl # 1 Injectr

2 Nozzle Cylinder # 2 CYL # 2 INJECTR Cyl # 2 Injectr

3 Nozzle Cylinder # 3 CYL # 3 INJECTR Cyl # 3 Injectr

MID 128 Engine Subsystem Codes 1 – 32

4 Nozzle Cylinder # 4 CYL # 4 INJECTR Cyl # 4 Injectr

5 Nozzle Cylinder # 5 CYL # 5 INJECTR Cyl # 5 Injectr

6 Nozzle Cylinder # 6 CYL # 6 INJECTR Cyl # 6 Injectr

7 Nozzle Cylinder # 7 CYL # 7 INJECTR Cyl # 7 Injectr

8 Nozzle Cylinder # 8 CYL # 8 INJECTR Cyl # 8 Injectr

9 Cylinder Nozzle # 9 CYL # 9 INJECTR Cyl # 9 Injectr

10 Nozzle Cylinder # 10 CYL 10 INJECTR Cyl 10 Injectr

11 Cylinder Nozzle # 11 CYL 11 INJECTR Cyl 11 Injectr

12 Nozzle Cylinder # 12 CYL 12 INJECTR Cyl 12 Injectr

13 Nozzle Cylinder # 13 CYL 13 INJECTR Cyl 13 Injectr

14 Cylinder Nozzle # 14 CYL 14 INJECTR Cyl 14 Injectr

15 Cylinder Nozzle # 15 CYL 15 INJECTR Cyl 15 Injectr

16 Nozzle Cylinder # 16 CYL 16 INJECTR Cyl 16 Injectr

17 Main Fuel Shut Off Valve FUEL SHUTOFF Fuel Shutoff

18 Fuel Flow Control Valve FUEL CONTROL Fuel Control

19 Valve Bypass Accelerator THROTTLE BYPAS ThrottleBYPASS

20 Mechanism, Managing Distribution TIMINGACTUATOR TIMINGActuator

21 Crankshaft Position Sensor ENG POS SENSOR PositionSensor

22 Sensor Dist. Vala TIMING SENSOR TIMING Sensor

23 Fuel Plate Mechanism by RACK ACTUATOR Rack Actuator

24 Position Sensor Fuel Plate RACKPOS SENSOR Rack Pos Sens

25 Signal System Protecting Engine EXT ENG PROTCT ExtENG Protect

26 Additional Input Driver # 1 AUXOUTDRIVER1 AuxOut Driver

27 Controlling Mechanism # 1 Turbocharger TURBO ACTUATR1 Turbo Actuator

28 Control Gear # 2 Turbocharger TURBO ACTUATR2 TurboActuator2

29 Fuel System Signal Input EXT FUEL INPUT Ext Fuel INPUT

30 Speed ​​Signal Input EXT SPEEDINPUT Ext SPEEDINPUT

31 Tachometer Signal TACHSIGNLOUTPT TACH OUTPUT

32 WASTEGATEDRVR WASTEGATE Drvr Turbocharger Bypass Valve Driver

MID 128 Engine Subsystem Codes 33 – 64

33 Pneumatic Clutch Control FANCLTCH DRV Fan Clutch Drv

34 Exhaust Support Sensor EXH PRESSENSOR Exh Press Sens

35 Solenoid Exhaust Gas Pressure Adjustment EXH PRES SOL Exh Press Sol

36 Glow Plug System Lamp GLOWPLUGLAMP Glow PLUG LAMP

37 Power Relay DRV UNITPWRRLY Power Relay

38 Glow Plug System Relay GLOWPLUGRELAY GlowPLUG Relay

39 Starter Relay STARTER RELAY Starter Relay

40 Additional Input Driver # 2 AUXOUT DRIVER2 Auxout Driver2

41 ECM 8 Volt Power Supply ECM 8VDC SUPLY ECM 8VDC

42 Pressure Regulator Injectors INJ PRES REG Inj Press REG

43 AUTOSHFTHI GR HIGH Gear Act.

44 Low Gear Regulator AUTOSHFTLO GR Low Gear Act.

45 Neutral Transmission Control AUTOSHFTNTL GR Neutral Act.

46 Earth Chain Autoshift (minus) AUTOSHFTCOMLO Common

47 Cylinder Nozzle # 17 CYL 17 INJECTR Cyl 17 Injectr

48 Injector Cylinder # 18 CYL 18 INJECTR Cyl 18 Injectr

49 Cylinder Nozzle # 19 CYL 19 INJECTR Cyl 19 Injectr

50 Nozzle Cylinder # 20 CYL 20 INJECTR Cyl 20 Injectr

51 Driver Additional Input # 3 AUXOUT DRIVER3 Auxout Driver3

52 Driver Additional Input # 4 AUXOUT DRIVER4 Auxout Driver4

53 Additional Input Driver # 5 AUXOUT DRIVER5 Auxout Driver5

54 Driver Additional Input # 6 AUXOUT DRIVER6 Auxout Driver6

55 Driver Additional Input # 7 AUXOUT DRIVER7 Auxout Driver7

56 Driver Additional Input # 8 AUXOUT DRIVER8 Auxout Driver8

57 Additional PWM # 1 AUX PWM DRVR 1 Aux PWM Drvr 1

58 Optional PWM # 2 AUX PWM DRVR 2 Aux PWM Drvr 2

59 Additional PWM # 3 AUX PWM DRVR 3 Aux PWM Drvr 3

60 Optional PWM # 4 AUX PWM DRVR 4 Aux PWM Drvr 4

61 Valve Education Blend VAR SWIRL VALV Swirl Valve

62 Prestroke Sensor PRESTROKE SNSR PreStroke Snsr

63 Prestroke Actuator PRESTROKE ACTR PreStroke actr

64 Sensor # 2 Engine Speed ​​SPEED SENSOR2 SPEED Sensor 2

MID 128 Engine Subsystem Codes 65 – 78

65 OXYGEN SENSOR Oxygen Sensor – †

66 Burn Control Signal IG MODE SIGNAL – †

67 Burning Distribution Signal IG TIME SIGNAL – †

68 Pressure at TURBO PRSSRE 2 TurboCompress Second Inlet – †

69 Temperature aftercooler ACOC COOL TEMP – †

70 Heated intake air # 1 – † – †

71 Heated intake air # 2 – † – †

72 Nozzle Cylinder # 21 CYL 21 INJECTR – †

73 Nozzle Cylinder # 22 CYL 22 INJECTR – †

74 Nozzle Cylinder # 23 CYL 23 INJECTR – †

75 Nozzle Cylinder # 24 CYL 24 INJECTR – †

76 Knock Sensor KNOCK SENSOR – †

77 Gas Control Valve GASMETER VALVE – †

78 Fuel Pump Control Mechanism – † – †

MID 136 Codes Subsystems ABS 1 – 14

1 ABS sensor, 1st Axis, Left (front) WH SNSR AXL 1L Wh Snsr Axl 1L

2 ABS Sensor, 1st Axis, Right (front) WH SNSR AXL 1R Wh Snsr Axl 1R

3 ABS Sensor, 2nd Axis, Left (middle) WH SNSR AXL 2L Wh Snsr Axl 2L

4 ABS Sensor, 2nd Axis, Right (middle) WH SNSR AXL 2R Wh Snsr Axl 2R

5 ABS Sensor, 3rd Axis, Left (rear) WH SNSR AXL 3L Wh Snsr Axl 3L

6 ABS Sensor, 3rd Axis, Right (Rear) WH SNSR AXL 3R Wh Snsr Axl 3R

7 ABS modulator, 1st Axis, Left (front) PRSMOD VLV A1L Mod. Valve a1l

8 ABS Modulator, 1st Axis, Right (front) PRSMOD VLV A1R Mod. Valve a1r

9 ABS modulator, 2nd Axis, Left (middle) PRSMOD VLV A2L Mod. Valve A2L

10 ABS Modulator, 2nd Axis, Right (middle) PRSMOD VLV A2R Mod. Valve a2r

11 ABS modulator, 3rd Axis, Left (rear) PRSMOD VLV A3L Mod. Valve a3l

12 ABS Modulator, 3rd Axis, Right (Rear) PRSMOD VLV A3R Mod. Valve a3r

13 Motor Brake Relay RTDR CNTRL RLY Rtdr Cntrl Rly

14 Relays, Diagonal Voltage 1 RLAY DIAGONAL1 Relay DIAG. one

MID 136 Codes Subsystems ABS 15 – 47

15 Relays, Diagonal Voltage 2 RLAY DIAGONAL2 Relay DIAG. 2

16 ABS switch ABS MODE SWTCH ABS Mode Swtch

17 Switch ASR ASR MODE SWTCH ASR Mode Swtch

18 Valve DIF 1-ASR ASR DIF1 VALVE ASR Dif1 Valve

19 Valve DIF 2-ASR ASR DIF2 VALVE ASR Dif2 Valve

20 Pneumatic Control Engine PNEU ENG CNTRL Pneu ENG Cntrl

21 Electric Control Engine ELEC ENG CNTRL Elec ENG Cntrl

22 Speedometer Sensor SPN SGNL INPUT SPEEDSIGNAL In

23 ABS lamp WARNLIGHT BULB WarnLIGHT Bulb

24 Lamp ASR ASR LIGHT BULB ASR LIGHT Bulb

25 Average Speed ​​ABS Front Axle Sensor SENSOR AX1 AVG Sensor AX1 AVG

26 Average Speed ​​ABS Sensor Front Gear SENSOR AX2 AVG Sensor AX2 AVG

27 Average Speed ​​ABS Sensor Rear Gear SENSOR AX3 AVG Sensor AX3 AVG

28 ABS Valve Modulator for Reducers PRSSRMODDRVAXL Mod, Relay Valve

29 ABS Valve Pressure Sensor for Reducers PRSSRXDCDRVAXL Trans, Relay Vlv

30 Main Relay Control Systems ABS MASTER RELAY Master Relay

31 Front Axle Trailer, Left Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

32 Trailer Front Axle, Right Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

33 Trailer Rear Axle, Left Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

34 Front Axle Trailer, Right Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

35 Front Axle, Left Brake, Adjusting Wrong BRAKE ADJUST Brake Adjust

36 Front Axle, Right Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

37 Front Gearbox, Left Brake, Adjusting Wrong BRAKE ADJUST Brake Adjust

38 Front Gearbox, Right Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

39 Rear Gearbox, Left Brake, Adjusting Wrong BRAKE ADJUST Brake Adjust

40 Rear Gearbox, Right Brake, Wrong Adjustment BRAKE ADJUST Brake Adjust

41 Relay Height Suspension – † – †

42 Holding Valve Solenoid —Ox 1 Left – † – †

43 Holding Valve Solenoid —Oc 1 Right – † – †

44 Holding Valve Solenoid —Ox 2 Left – † – †

45 Holding Valve Solenoid —Oc 2 Right – † – †

46 Holding Valve Solenoid —Ox 3 Left – † – †

47 Holding Valve Solenoid —Ox 3 Right – † – †

MID 136 Codes Subsystems ABS 48 – 80

SID Description Old Text Message New Text Message *

48 Discharge Valve Solenoid —Ox 1 Left – † – †

49 Discharge Valve Solenoid —Ox 1 Right – † – †

50 Discharge Valve Solenoid —Ox 2 Left – † – †

51 Discharge Valve Solenoid —Ox 2 Right – † – †

52 Discharge Valve Solenoid —Ox 3 Left – † – †

53 Discharge Valve Solenoid —Ox 3 Right – † – †

54 Motor Hydraulic Pump – † – †

55 Brake Light Switch 1 – † – †

56 Brake Light Switch 2 – † – †

57 Electric Pressure Control, 1st Axis – † – †

58 Pressure Control Spare System, Axis 1 – † – †

59 Pressure Brakes Axis 1 – † – †

60 Electric Pressure Control, 2nd Axis – † – †

61 Pressure Control Spare System, Axis 2 – † – †

62 Pressure Brakes, Axis 2 – † – †

63 Electric Brake Adjustment, Axis 3 – † – †

64 Electric Pressure Control, 3rd Axis – † – †

65 Pressure Brakes, Axis 3 – † – †

66 Electric Brake Adjustment Trailer – † – †

67 Pneumatic Brake Control, Trailer – † – †

68 Pressure Brakes, Trailer – † – †

69 Load Sensor on the Axis – † – †

70 Pads Thickness Sensor — Axis 1 Left – † – †

71 Sensor Thickness Pads — Axis 1 Right – † – †

72 Pads Thickness Sensor — Axis 2 Left – † – †

73 Pads Thickness Sensor — Axis 2 Right – † – †

74 Pads Thickness Sensor — Axis 3 Left – † – †

75 Pads Thickness Sensor — Axis 3 Right – † – †

76 Transmitter Brake Signal – † – †

77 Sensor Signal # 1 Braking – † – †

78 Sensor Signal # 2 Braking – † – †

79 Wheel Size – † – †

80 Brake Control Machines – † – †

MID 190 Air Conditioner Subsystem Fault Codes

Complete Freightliner Fault Code List (PID, MID, SID) (4)

1 Freon Level REFRGNT CHRG REFRIG Pres

2 Humidity Levels in Freon REFRIG MOISTR REFRIG Moistr

3 Non-Condensed Gas in Freon GAS IN REFRIGN Gas In REFRIGN

4 Solenoid, Freon Control Flow RFRG FLOW CTRL RFRG Flow Ctrl

5 Freon Low Pressure Sensor LOW PRS SWITCH Low Pres SW

6 Chain Compressor Management Freon CLUTCH CIRCUIT Clutch Cir

7 Circuit Air Conditioning Radiator Thermostat – † Tstat Cir

MID 219 VORAD Radar Subsystem Fault Codes

1 Front Antenna – † – †

2 Electronics Antennas – † – †

3 Brake System Monitor – † – †

4 Monitor Dynamics – † – †

5 Steering Position Control Monitor – † – †

6 Speedometer Monitor – † – †

7 Right Turn Monitor – † – †

8 Left Turn Monitor – † – †

9 Display – † – †

10 Sensor in the Right Side – † – †

11 Sensor in the Left Side – † – †

12 Rear Sensor – † – †

General Subsystem Fault Codes (SID for any MIDs) 151 – 153

151 System Diagnostic Code # 1 – † – †

152 System Diagnostic Code # 2 – † – †

153 System Diagnostic Code # 3 – † – †

General Subsystem Fault Codes (SID for any MIDs) 154 – 248

154 System Diagnostic Code # 4 – † – †

155 System Diagnostic Code # 5 – † – †

219 Burning Indicator † – – †

220 Electrical Connection Tractor / Trailer (ISO 11992) – † – †

221 Supply Voltage for Sensors – † – †

222 Lamp “PROTECT” – † – †

223 Brightness Sensor – † – †

224 Alarm – † – †

225 Yellow Lamp – † – †

226 Transmission Transmission Sensor – † – †

227 Auxiliary Input # 1 – † – †

228 High Pressure Switch HI PRES SWITCH HI Pres SW

229 Kickdown Switch – † – †

230 Idle Confirmation Switch – † – †

231 Circuit SAE J1939 – † – †

232 5 Volt DC Power – † – †

233 Driver # 2 – † – †

234 The mechanism of the “ON” Parking Brake – † – †

235 “Brake” “OFF” mechanism – † – †

236 Power Connection Device – † – †

237 Incineration Connection Device – † – †

238 Diagnostic Lamp – Red – † – †

239 Diagnostic Lamp – Yellow – † – †

240 Memory – † – †

242 Cruise switch “RESUME” – † – †

243 Cruise “SET” switch – † – †

244 Cruise Switch “ENABLE” – † – †

245 Clutch Pedal Switch # 1 – † – †

246 Brake Pedal Switch # 1 – † – †

247 Brake Pedal Switch # 2 – † – †

248 OEM Diagnostic Circuit – † – †

General Subsystem Codes (SID for any MIDs) 249 – 254

Complete Freightliner Fault Code List (PID, MID, SID) (5)

249 Chain SAE J1922 SAE J1922 SAE J1922

250 Chain SAE J1708 (J1587) – † – †

251 Power POWER SUPPLY POWER SUPPLY

252 Calibration Module – † – †

253 Memory Calibration – † – †

254 Controller # 1 CONTROLLER Controller

(Source)

Some Final Words

It is a good idea to print the code lists we provide. You may not be in a position where you can access a computer and look them up. Make sure to keep them in a safe place {and we know once you do that you won’t find it again}.

These code lists are invaluable not only for when you are doing your own repair work but also to monitor the mechanics so they do not slip in extra work and pad the bill.

Unfortunately, there are still mechanics that do that despite the many investigative journalists who expose this practice. Information is still king and the more information you have the better protected you will be and the easier your repair will go.

Complete Freightliner Fault Code List (PID, MID, SID) (2024)
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Name: Rev. Porsche Oberbrunner

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Introduction: My name is Rev. Porsche Oberbrunner, I am a zany, graceful, talented, witty, determined, shiny, enchanting person who loves writing and wants to share my knowledge and understanding with you.