Axles, Brakes & Hubs error codes

41 codes from 2 manufacturers, each with its meaning and the document it comes from. Open a code for the details, or search every system.

Dexter Tow Assist (ABS / Sway Mitigation) (33)

• 0561Battery condition warning (flash: 2 amber + 1 green)
• 0562Battery under voltage fault (flash: 2 amber + 1 green)
• 0563Battery over voltage (flash: 2 amber + 1 green)
• 0564ECU voltage reference plausibility fault (flash: 2 amber + 8 green)
• 4031Front Axle, Left Wheel Speed Sensor Fault (flash: 1 amber + 2 green)
• 4032Front Axle, Left Wheel Tone Wheel or WSS Mount (flash: 5 amber + 2 green)
• 4034Front Axle, Right Wheel Speed Sensor Fault (flash: 1 amber + 3 green)
• 4035Front Axle, Right Wheel Tone Wheel or WSS Mount (flash: 5 amber + 3 green)
• 4037Rear Axle, Left Wheel Speed Sensor Fault (flash: 1 amber + 4 green)
• 4038Rear Axle, Left Wheel Tone Wheel or WSS Mount (flash: 5 amber + 4 green)
• 403ARear Axle, Right Wheel Speed Sensor Fault (flash: 1 amber + 5 green)
• 403BRear Axle, Right Wheel Tone Wheel or WSS Mount (flash: 5 amber + 5 green)
• 4063Yaw Rate Measurement Fault (flash: 5 amber + 1 green)
• 406AECU Inertia Sensor Fault (flash: 5 amber + 1 green)
• 4091Center Axle, Left Wheel Speed Sensor Fault (flash: 1 amber + 6 green)
• 4092Center Axle, Left Wheel Tone Wheel or WSS Mount (flash: 5 amber + 6 green)
• 4094Center Axle, Right Wheel Speed Sensor Fault (flash: 1 amber + 7 green)
• 4095Center Axle, Right Wheel Tone Wheel or WSS Mount (flash: 5 amber + 7 green)
• 40B0Front Axle, Left Wheel Brake Magnet Fault (flash: 2 amber + 2 green)
• 40B1Front Axle, Right Wheel Brake Magnet Fault (flash: 2 amber + 3 green)
• 40B2Rear Axle, Left Wheel Brake Magnet Fault (flash: 2 amber + 4 green)
• 40B3Rear Axle, Right Wheel Brake Magnet Fault (flash: 2 amber + 5 green)
• 40B4Center Axle, Left Wheel Brake Magnet Fault (flash: 2 amber + 6 green)
• 40B5Center Axle, Right Wheel Brake Magnet Fault (flash: 2 amber + 7 green)
• 40F1External Simulated Load Fault (flash: 2 amber + 9 green)
• 4218Operational light Fault (flash: light module: No Lamp / No Lamp)
• 4226Warning light Fault (flash: light module: No Lamp / No Lamp)
• 5000Trailer Factory Settings Not Programmed (flash: 3 amber + 1 green)
• 5050Factory Mode Enabled (flash: light module: No Lamp / No Lamp)
• 5091General Wheel Speed Fault (flash: 1 amber + 8 green)
• 5200Wiring Harness Feedback Fault (flash: 3 amber + 8 green)
• 5300Service Brake Signal Plausibility Fault (flash: 3 amber + 9 green)
• 5137ECU Internal hardware Fault (flash: 5 amber + 8 green)

Lippert ABS (8)

• 0726hBRAKE_CONTROLLER_MODULE_OVER_TEMPERATURE — module sensed an internal over-temperature condition.
• 06DBhAXLE_1_LEFT_ACTUATOR_OPEN — open in the left front brake magnet circuit.
• 06DChAXLE_1_LEFT_ACTUATOR_SHORT_TO_BATT — left front brake magnet circuit shorted to +12 V.
• 06DDhAXLE_1_LEFT_ACTUATOR_SHORT_TO_GROUND — left front brake magnet circuit shorted to ground.
• 06DFhAXLE_1_LEFT_WSS_OPEN — wheel-speed sensor open circuit.
• 0720hWSS_A1L_MECHANICAL_FAILURE — left front wheel-speed sensor signal lost (mechanical / installation issue).
• 06E2hAXLE_1_RIGHT_ACTUATOR_OPEN — open in the right front brake magnet circuit. Same procedure as 06DBh on the…
• 06E9hAXLE_2_LEFT_ACTUATOR_OPEN — open in the second-axle left brake magnet circuit.