Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Dodge and Ram ProMaster 1500FACTORY OEM SERVICE PROCEDURE
Module, Antilock Brake (Abs)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C0010-01 | LEFT FRONT INLET VALVE-GENERAL ELECTRICAL FAILURE |
| C0011-01 | LEFT FRONT OUTLET VALVE - GENERAL ELECTRICAL FAILURE |
| C0014-01 | RIGHT FRONT INLET VALVE - GENERAL ELECTRICAL FAILURE |
| C0015-01 | RIGHT FRONT OUTLET VALVE - GENERAL ELECTRICAL FAILURE |
| C0018-01 | LEFT REAR INLET VALVE - GENERAL ELECTRICAL FAILURE |
| C0019-01 | LEFT REAR OUTLET VALVE - GENERAL ELECTRICAL FAILURE |
| C001C-01 | RIGHT REAR INLET VALVE - GENERAL ELECTRICAL FAILURE |
| C001D-01 | RIGHT REAR OUTLET VALVE - GENERAL ELECTRICAL FAILURE |
| C0020-49 | RECIRCULATION PUMP - INTERNAL ELECTRONIC FAILURE |
| C0030-29 | LEFT FRONT TONE WHEEL - INVALID SIGNAL |
| C0031-01 | LEFT FRONT SPEED SENSOR - GENERAL ELECTRICAL FAILURE |
| C0031-29 | LEFT FRONT SPEED SENSOR - INVALID SIGNAL |
| C0031-4A | LEFT FRONT WHEEL SPEED SENSOR - INCORRECT COMPONENT INSTALLED |
| C0033-29 | RIGHT FRONT TONE WHEEL - INVALID SIGNAL |
| C0034-01 | RIGHT FRONT SPEED SENSOR - GENERAL ELECTRICAL FAILURE |
| C0034-29 | RIGHT FRONT SPEED SENSOR - INVALID SIGNAL |
| C0034-4A | RIGHT FRONT WHEEL SPEED SENSOR - INCORRECT COMPONENT INSTALLED |
| C0036-29 | LEFT REAR TONE WHEEL - INVALID SIGNAL |
| C0037-01 | LEFT REAR SPEED SENSOR - GENERAL ELECTRICAL FAILURE |
| C0037-29 | LEFT REAR SPEED SENSOR - INVALID SIGNAL |
| C0037-4A | LEFT REAR WHEEL SPEED SENSOR - INCORRECT COMPONENT INSTALLED |
| C0039-29 | RIGHT REAR TONE WHEEL - INVALID SIGNAL |
| C003A-01 | RIGHT REAR SPEED SENSOR - GENERAL ELECTRICAL FAILURE |
| C003A-29 | RIGHT REAR SPEED SENSOR - INVALID SIGNAL |
| C003A-4A | RIGHT REAR WHEEL SPEED SENSOR - INCORRECT COMPONENT INSTALLED |
| C003B-29 | WHEEL SPEED COMPARATIVE - INVALID SIGNAL |
| C0047-01 | BRAKE PRESSURE SENSOR - GENERAL ELECTRICAL FAILURE |
| C0047-29 | BRAKE PRESSURE SENSOR - INVALID SIGNAL |
| C0051-29 | STEERING ANGLE SENSOR (EPS) - INVALID SIGNAL |
| C0051-54 | STEERING ANGLE SENSOR (EPS) - MISSING CONFIGURED |
| C0051-86 | STEERING ANGLE SENSOR (EPS) - BUS SIGNAL INVALID |
| C0061-29 | LATERAL ACCELERATION SENSOR - INVALID SIGNAL |
| C0062-29 | LONGITUDINAL ACCELERATION SENSOR - INVALID SIGNAL |
| C0063-29 | YAW RATE SENSOR - INVALID SIGNAL |
| C0063-49 | YAW RATE SENSOR - INTERNAL ELECTRONIC FAILURE |
| C006A-29 | MULTI-AXIS ACCELERATION SENSOR - SIGNAL INVALID |
| C006A-49 | MULTI-AXIS ACCELERATION SENSOR - INTERNAL ELECTRONIC FAILURE |
| C006A-4B | MULTI-AXIS ACCELERATION SENSOR - OVER TEMPERATURE |
| C006A-54 | MULTI-AXIS ACCELERATION SENSOR - MISSING CALIBRATION |
| C1115-16 | VALVE SUPPLY VOLTAGE - BELOW THRESHOLD |
| C1200-16 | BATTERY VOLTAGE - BELOW THRESHOLD |
| C1200-17 | BATTERY VOLTAGE - ABOVE THRESHOLD |
| C1205-01 | VALVE RELAY - GENERAL ELECTRICAL FAILURE |
| C1205-49 | VALVE RELAY - INTERNAL ELECTRONIC FAILURE |
| C1206-01 | PRIMING VALVE 1 - GENERAL ELECTRICAL FAILURE |
| C1207-01 | PRIMING VALVE 2 - GENERAL ELECTRICAL FAILURE |
| C1208-01 | PILOT VALVE 1 - GENERAL ELECTRICAL FAILURE |
| C1209-01 | PILOT VALVE 2 - GENERAL ELECTRICAL FAILURE |
| C120A-24 | ESC SWITCH - SIGNAL STUCK HIGH |
| C1210-86 | ABS/ESC LAMP COMMUNICATION - INVALID SIGNAL |
| C1211-49 | ABS MODULE - INTERNAL ELECTRONIC FAILURE |
| C1211-96 | ABS MODULE - COMPONENT INTERNAL FAILURE |
| C1212-55 | VARIANT CODING - NOT CONFIGURED |
| C1213-54 | EOL MISSING CALIBRATION |
| C1214-55 | ECU NEVER CONFIGURED - NOT CONFIGURED |
| C1215-24 | BRAKE SWITCH - STUCK HIGH |
| C1215-29 | BRAKE LIGHT SWITCH - INVALID SIGNAL |
| C1217-23 | REVERSE GEAR SWITCH - ACTUATOR STUCK LOW |
| C1217-24 | REVERSE GEAR SWITCH - ACTUATOR STUCK HIGH |
| C1218-4B | VALVES ACTUATED TOO LONG BY TESTER - OVER TEMPERATURE |
| C1219-16 | PUMP SUPPLY VOLTAGE - BELOW THRESHOLD |
| C1220-95 | WHEEL SPEED SENSORS SWAPPED - INCORRECT ASSEMBLY |
| C1221-86 | PCM BUS SIGNAL INVALID |
| C1223-68 | BRAKE BOOST FAIL FROM ECM - EVENT INFORMATION |
| C1227-87 | STATUSC ECM2 MESSAGE FROM ENGINE CONTROL MODULE - MISSING MESSAGE |
| C1228-64 | HARDWIRED VACUUM SENSOR PLAUSIBILITY INFORMATION - SIGNAL PLAUSIBILITY FAILURE |
| C1230-64 | CAN VACUUM SENSOR PLAUSIBILITY INFORMATION - SIGNAL PLAUSIBILITY FAILURE |
| C1230-68 | VACUUM SENSOR PLAUSIBILTY INFORMATION - EVENT INFORMATION |
| U0001-87 | CAN-C BUS MISSING MESSAGE |
| U0001-88 | CAN-C BUS OFF |
| U1700-86 | IMPLAUSIBLE DATA RECEIVED FROM BCM |
| U1700-87 | LOST COMMUNICATION WITH BCM |
| U1701-86 | IMPLAUSIBLE DATA RECEIVED FROM PCM |
| U1701-87 | LOST COMMUNICATION WITH PCM |
| U1711-86 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U1711-87 | LOST COMMUNICATION WITH TCM |
| U1712-86 | SAS-STEERING ANGLE SENSOR - SIGNAL INVALID |
| U1712-87 | SAS-STEERING ANGLE SENSOR - MISSING MESSAGE |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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