Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (2024)

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  • Freightliner Business Class M2 Fault Codes List – ABS System Troubleshooting
  • Freightliner Business Class M2 Fault Codes List – Automated-Manual Transmissions

Bulkhead Module Fault Codes PDF

Freightliner Business Class M2 Fault Codes List – Bulkhead Module PDF

Bulkhead Module Fault Code Information

J1587 SIDs for Bulkhead Module (BHM) MID 164
SIDDescriptionPossible FMI
000Backlighting Dimmer Switch Fault7
001Clutch Switch Fault7
002Reserved for Future Use
003Headlamp Switch Disagreement–Both park and on inputs are closed7
004Multifunction Turn Signal Switch High Beam Input Fault2
005Ignition Switch Fault7
006Marker Interrupt Switch Fault7
007Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on.2
008Multifunction Turn Signal Switch Disagreement–Wiper on/off is off and wiper high or low input is on2
009Wiper Park Input Fault7
010ICU3-M2 Hazard Switch CAN Feedback Error2
011Multifunction Turn Signal Switch Left Turn Signal Input Fault2
012Multifunction Turn Signal Switch Right Turn Signal Input Fault2
013Multifunction Turn Signal Switch Washer Switch Input Fault2
014Multifunction Turn Signal Switch Wiper On/Off Input Fault2
J1587 SIDs for Bulkhead Module (BHM) MID 164
SIDDescriptionPossible FMI
015Multifunction Turn Signal Switch Wiper Low Input Fault2
016Multifunction Turn Signal Switch Wiper High Input Fault2
017Wheel-Based Vehicle Speed CAN Message Error2
018Wake-up Hardware Fault–Modules are kept awake7
019Unknown Keep Awake Fault–Modules are kept awake.7
020Extra Smart Switch7
021Duplicate Smart Switch7
022Missing Smart Switch7
023Fifth Wheel Solenoid Unexpected Pressure Feedback7
024Fifth Wheel Solenoid No Pressure Feedback7
025End of Frame Air Unexpected Pressure Feedback7
026End of Frame Air No Pressure Feedback7
027Axle Lift Unexpected Pressure Feedback7
028Axle Lift No Pressure Feedback7
029Suspension Dump Unexpected Pressure Feedback7
030Suspension Dump No Pressure Feedback7
031Suspension Proportioning Unexpected Pressure Feedback7
032Suspension Proportioning No Pressure Feedback7
033Cigar Lighter Output Fault7
034BHM/ICU3-M2 Ignition Mismatch7
035BHM/ICU3-M2 Hazard Switch Mismatch2
036BHM/ICU3-M2 Wiper Park Mismatch2
037Missing Transmission CAN Message9
038Missing Chassis Module CAN Message9
039Remote Bucket Switch Stuck Fault7
040Axle Lift 2 Unexpected Pressure Feedback7
041Axle Lift 2 No Pressure Feedback7
042PTO 1 Unexpected Pressure Feedback7
043PTO 1 No Pressure Feedback7
044PTO 2 Unexpected Pressure Feedback7
045PTO 2 No Pressure Feedback7
046CHM No PWM DRLs Fault8
047–049Reserved for Future Use
050BHM B1.A—Fuel Level Input Fault (Not Used)3, 4
051BHM B1.F, B1.P, B2.K, B2.L, B6.A8—Ignition Power Output Fault5, 6
052BHM B1.J—Main BHM Power VBAT5 Input Fault3, 4
J1587 SIDs for Bulkhead Module (BHM) MID 164
SIDDescriptionPossible FMI
053BHM B1.K, B5.C—Tail/Clearance Lamp Output Fault5, 6
054BHM B1.L—Left High Beam Output Fault5, 6
055BHM B1.N—Main BHM Power VBAT3 Input Fault3, 4
056BHM B1.R—Left Low Beam Output Fault5, 6
057BHM B2.M—A/C Clutch Output Fault5, 6
058BHM B3.D—Main BHM Power VBAT1 Input Fault3, 4
059BHM B3.E—Horn Output Fault3, 4, 5, 6
060BHM B3.F—Wiper High Speed Output Fault5, 6
061BHM B3.G—Washer Pump Output Fault5, 6
062BHM B3.H—Wiper Low Speed Output Fault5, 6
063BHM B4.B—Starter Relay Output Fault5, 6
064BHM B4.E, B4.F—Spare Output Fault3, 4, 5, 6
065BHM B4.G—Main BHM Power VBAT2 Input Fault3, 4
066BHM B4.K—Main BHM Power VBAT4 Input Fault3, 4
067BHM B4.M, B5.E—Spare Output Fault3, 4, 5, 6
068BHM B5.A, B7.A12—Dome Lamp Battery Power Output Fault5, 6
069BHM B6.A9, B6.A10—HVAC/Radio Ignition Power Output Fault5, 6
070BHM B5.B—Dome Lamp Switched Power Output Fault5, 6
071BHM B5.D—ICU Wake Output Fault5, 6
072BHM B5.F—Cigar Light Output Fault3, 4, 5, 6
073BHM B5.G—Spare Ignition Power Output Fault3, 4, 5, 6
074BHM B5.H, B7.A1—Panel Lamps Output Fault3, 4, 5, 6
075CHM C1.A, C1.H, C1.J—Backup Lamps/Alarm Output Fault5, 6
076CHM C1.G, C2.H, C3.N—Left Turn Signal Output Fault5, 6
077CHM C1.L—Right Stop Lamp Output Fault5, 6
078CHM C1.N—Left Stop Lamp Output Fault5, 6
079CHM C1.P, C2.E, C3.R—Right Turn Signal Output Fault5, 6
080CHM C2.A—Trailer Power Relay Output Fault3, 4
081CHM C2.F, C4.C, C4.D, C4.L, C4.M—Park/Marker Lamp Output3, 4, 5, 6
082CHM C3.A—Spare Output Fault3, 4, 5, 6
083CHM C3.C, C3.D—Spare Output Fault5, 6
084CHM C3.E—Low Air Pressure Input Fault3, 4
085CHM C3.F—Park Brake Input Fault3, 4
086CHM C3.J—Main CHM Power VBAT2 Input Fault3, 4
087CHM C3.K—Right DRL Output Fault5, 6
088CHM C3.L—Right Low Beam Output5, 6
J1587 SIDs for Bulkhead Module (BHM) MID 164
SIDDescriptionPossible FMI
089CHM C4.F—Left DRL Output Fault5, 6
090CHM C4.J—Main CHM Power VBAT3 Input Fault3, 4
091CHM C4.K—Right High Beam Output5, 6
092CHM C4.P—Main CHM Power VBAT1 Input Fault3, 4
093CHM C5.A—Solenoid #0 Pressure Feedback Fault3, 4
094CHM C5.B—Solenoid #1 Pressure Feedback Fault3, 4
095CHM C5.F—Solenoid #2 Pressure Feedback Fault3, 4
096CHM C5.G—Solenoid #3 Pressure Feedback Fault3, 4
097CHM C5.H—Solenoid #0 Output Fault3, 4
098CHM C5.J—Solenoid #1 Output Fault3, 4
099CHM C5.L—Solenoid #2 Output Fault3, 4
100CHM C5.M—Solenoid #3 Output Fault3, 4
101EXM Fault (Fault in one of the EXM Outputs)3, 4, 5, 6
J1939 SPNs for Bulkhead Module (BHM) SA 33
SPNDescriptionPossible FMI
70Parking Brake Switch2
80Washer Fluid Level2
84Wheel-based Vehicle Speed19
96Fuel Level19
97Water In Fuel Indicator19
163Transmission Current Range12, 19
177Transmission Oil Temperature Sensor3, 4
523Transmission Current Gear12, 19
524Transmission Selected Gear12, 19
597ABS Service Brake Switch2
598Clutch Switch7
879Front Left Turn Signals Output Fault5, 6
880Trailer Stop Lamp Relay Output Fault4
881Front Right Turn Signals Output Fault5, 6
882Park/Marker Lights Output Fault4, 5, 6
973Engine Retarder Selection19
1487Backlighting Dimmer Switch Fault7
1550A/C Clutch Output Fault5, 6
2003Missing Transmission CAN Message9
J1939 SPNs for Bulkhead Module (BHM) SA 33
SPNDescriptionPossible FMI
2071Missing Chassis Module CAN Message9
6890CHM No PWM DRLs Fault8
6897Fuel Water Separator Heater Output Fault6
6898Brake Air Dryer Output Fault6
6906PTO 2 No Pressure Feedback7
6907PTO 2 Unexpected Pressure Feedback7
6908PTO 1 No Pressure Feedback7
6909PTO 1 Unexpected Pressure Feedback7
6910Axle Lift 2 No Pressure Feedback7
6911Axle Lift 2 Unexpected Pressure Feedback7
6912Remote Bucket Switch Stuck Fault7
6915Lamp and Gauge Ignition Output Fault4, 5, 6
6916BHM/ICU3-M2 Wiper Park CAN Message Mismatch2
6917BHM/ICU3-M2 Hazard Switch CAN Message Mismatch2
6918Missing Smart Switch7
6919Duplicate Smart Switch7
6920Extra Smart Switch7
6921Unknown Keep Awake Fault–Modules are kept awake7
6922Wake-up Hardware Fault–Modules are kept awake7
6923Wiper Parked Input Fault7
6924Multifunction Turn Signal Switch Disagreement–Wiper on/off input is off and wiper high or low input is on2
6925Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on2
6926Marker Interrupt Switch Fault7
6927Utility Lamp Output Fault3, 4, 5, 6
6928Suspension Proportioning No Pressure Feedback7
6929Suspension Proportioning Unexpected Pressure Feedback7
6930Suspension Proportioning Solenoid Output Fault3, 4, 5, 6
6931Suspension Dump No Pressure Feedback7
6932Suspension Dump Unexpected Pressure Feedback7
6933Suspension Dump Solenoid Output Fault3, 4, 5, 6
6934Spotlights Output Fault3, 4, 5, 6
6935Snow Plow Relay Output Fault3, 4, 5, 6
6936Rear 2 Differential Lock Pressure Feedback Fault7
6937Rear 2 Differential Lock Solenoid Output Fault3, 4, 5, 6
6938Rear 1 Differential Lock Pressure Feedback Fault7
J1939 SPNs for Bulkhead Module (BHM) SA 33
SPNDescriptionPossible FMI
6939Rear 1 Differential Lock Solenoid Output Fault3, 4, 5, 6
6940Optional Feature Output Fault3, 4, 5, 6
6941Heated Mirrors Output Fault3, 4, 5, 6
6942Interaxle Pressure Feedback Fault7
6943Interaxle Solenoid Output Fault3, 4, 5, 6
6944Fuel Water Separator Heater Output Fault4, 5, 6
6945Front Differential Lock Pressure Feedback Fault7
6946Front Differential Lock Solenoid Output Fault3, 4, 5, 6
6947Fog Lamp Output Fault5, 6
6949Fire Pump Pressure Feedback Fault7
6950Fire Pump Solenoid Output Fault3, 4, 5, 6
6951Fifth Wheel Slide No Pressure Feedback7
6952Fifth Wheel Slide Unexpected Pressure Feedback7
6953Fifth Wheel Slide Solenoid Output Fault3, 4, 5, 6
6954End of Frame Air No Pressure Feedback7
6955End of Frame Air Unexpected Pressure Feedback7
6956End of Frame Air Solenoid Output Fault3, 4, 5, 6
6957Daytime Running Lights (DRL) Output Fault5, 6
6958Brake Line Air Dryer Output Fault3, 4, 5, 6
6959Axle Shift Pressure Feedback Fault7
6960Axle Shift Solenoid Output Fault3, 4, 5, 6
6961Axle Lift No Pressure Feedback7
6962Axle Lift Unexpected Pressure Feedback7
6963Axle Lift Solenoid Output Fault3, 4, 5, 6
6964Air Horn Solenoid Output Fault5, 6
6965BHM VBAT 5 Input Fault3, 4
6966BHM VBAT 4 Input Fault3, 4
6967BHM VBAT 3 Input Fault3, 4
6968BHM VBAT 2 Input Fault3, 4
6969BHM VBAT 1 Input Fault3, 4
6970Wiper High Output Fault5, 6
6971Wiper Low Output Fault5, 6
6972Multifunction Turn Signal Switch Wiper High Input Fault2
6973Multifunction Turn Signal Switch Wiper Low Input Fault2
6974Multifunction Turn Signal Switch Wiper On/Off Input Fault2
6975ICU3-M2 Wiper Park CAN Feedback Error2
J1939 SPNs for Bulkhead Module (BHM) SA 33
SPNDescriptionPossible FMI
6976Washer Pump Output Fault5, 6
6977Multifunction Turn Signal Switch Washer Switch Input Fault2
6978Multifunction Turn Signal Switch Right Turn Signal Input Fault2
6979Multifunction Turn Signal Switch Left Turn Signal Input Fault2
6980Right Stop Lamp Output Fault5, 6
6981Left Stop Lamp Output Fault5, 6
6982Wake Up Hardware Fault5, 6
6983Starter Relay (mag switch) Output Fault5, 6
6984Ignition System, Accessory Power Outputs Fault5, 6
6985Ignition System, Ignition Power Outputs Fault2, 5, 6
6986Ignition Switch Fault7
6987Taillights, Clearance Lights, License Plate Lights Output Fault5, 6
6988Left Low Beam Output Fault5, 6
6989Right Low Beam Output Fault5, 6
6990Left High Beam Output Fault5, 6
6991Right High Beam Output Fault5, 6
6992Multifunction Turn Signal Switch High Beam Input Fault2
6993Headlamp Switch Disagreement–Both park and on inputs are closed.7
6994ICU3-M2 Hazard Switch CAN Feedback Error19
6995Horn Output Fault3, 4, 5, 6
6996Dome Lamps Switched Power Output Fault5, 6
6997Cigar Lighter Output Fault3, 4, 5, 6
6998Dome Lamps Battery Power Output Fault5, 6
6999Backup Lamps/Alarm Output Fault5, 6
7000Panel Lamp Backlighting PWM Output Fault3, 4, 5, 6
524280Component ID Mismatch31
524281Application to Parameter Incompatibility31
524282Parameter Checksum Failure12
524283Application Checksum Failure12
524284Boot Block Checksum Failure12
524285Boot Hold Line is Active4
524286Ram Failure12
Failure Mode Identifiers
FMIJ1939 DescriptionJ1587 Description
00Data valid but above normal operational range–Most severe levelData valid but above normal operational range (engine overheating)
01Data valid but below normal operational range–Most severe levelData valid but below normal operational range (engine oil pressure too low)
02Data erratic, intermittent, or incorrectData erratic, intermittent, or incorrect
03Voltage above normal or shorted highVoltage above normal or shorted high
04Voltage below normal or shorted lowVoltage below normal or shorted low
05Current below normal or open circuitCurrent below normal or open circuit
06Current above normal or grounded circuitCurrent above normal or grounded circuit
07Mechanical system not responding or out of adjustmentMechanical system not responding properly
08Abnormal frequency, pulse width, or periodAbnormal frequency, pulse width, or period
09Abnormal update rateAbnormal update rate
10Abnormal rate of changeAbnormal rate of change
11Root cause not knownFailure mode not identifiable
12Bad intelligent device or componentBad intelligent device or component
13Out of CalibrationOut of Calibration
14Special InstructionsSpecial Instructions
15Data valid but above normal operational range–Least severe levelReserved for future assignment by the SAE Subcommittee
16Data valid but above normal operational range–Moderately severe level
17Data valid but below normal operational range–Least severe level
18Data valid but below normal operational range–Moderately severe level
19Received network data in error
31Condition Exists

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  1. Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (2)Don 14/02/2021

    Hi, my name is Don, and I have a frustrating problem. (2006 Thomas Freightliner, 6.7L Cummins, Allison 2000 Transmission) will not crank. Noticed a “Range Inhibit” message illuminated on the upper left corner of the IP. Put a scanner on it, and retrieved three Active codes (Bulkhead Module – SID 37 FMI 2 – Missing Transmission CAN message – Data erratic, intermittent, or incorrect. Bulkhead Module – SPN 2003 FMI 19 – Missing Transmission CAN message – Received network data in error. Engine – 241 FMI N/A – Wheel-based vehicle speed – data erratic, or incorrect. The ECM lost the vehicle speed signal). I’ve tested every fuse, and relay. Inspected all wire harnesses, connections. Checked voltage on ignition wires to the bulkhead, and ohms on pins C & D on the bus interface connection. Swopped TCM, Bulkhead module, ignition switch, and starter, but no change.

    Reply

  2. Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (3)DAN 21/09/2021

    Did you figure issue out? Allison Transmissions World Headquarters in Indianapolis have great engineers who may be able to lead you through troubleshooting tree. Their 2000 series manuals are a great help.

    It reads as though you tried basic approaches. Throwing parts at these types of issues are simply too expensive. Plus, switching out TCM’s can also ruin a good one if there’s circuit to circuit shorts in wiring harnesses.

    Hope you had technical assistance …

    Reply

  3. Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (4)James McElroy 28/02/2022

    Hi my name James I own a 2005 m2 106 sport with a cat 7 motor and Allison Transmission My truck will not turn over and have plenty of battery voltage 12.8 volts when i turn the key all the gauges work but will not spin over i found a Sid- 22 code which the description for the code is Missing Smart Switch does anyone know what this is thanks James

    Reply

  4. Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (5)emma 11/10/2022

    Fault Codes
    1
    FAULT CODEFMIDESCRIPTIONFIRST DETECTEDLAST OBSERVEDTYPE
    SPN-214Engine ECU Temperature (use SPN 1136)Oct 10, 5:21 PMOct 10, 5:42 PMIntermittent
    SPN-69127Transmission Internal Component 2 SpeedOct 10, 5:21 PMOct 10, 5:21 PMIntermittent
    SPN-3932351Oct 10, 5:21 PMOct 10, 5:21 PMIntermittent
    PID-1681Battery Potential (Voltage)Oct 10, 5:21 PMOct 10, 5:21 PMIntermittent
    PID-1581Battery Potential (Voltage)—SwitchedOct 10, 5:21 PMOct 10, 5:21 PMIntermittent
    PID-1684Battery Potential (Voltage)Oct 10, 5:21 PMOct 10, 5:21 PMIntermittent
    SPN-656142Oct 10, 11:51 AMOct 10, 11:51 AMIntermittent
    what is all these codes are my truck dying

    Reply

  5. Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (6)Chase 23/10/2022

    I have a 2015 m2 106 no active faults. 11.9 volts on the dash. When turning the key on I have power but get a long warning horn…instrument cluster will reset everything looks fine, but will not crank or start. Haven’t found a bad fuse and tried jumping it, but still nothing.

    Reply

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Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com (2024)

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