Maxus Fault Code
Free · no signupC0038
ABS & Traction Control Lights Solid
System
Braking / ABS
Symptom
ABS & Traction Control Lights Solid
Diagnosis & fix steps
LOGIC: Rear Left Wheel Speed Sensor Circuit Open / Short to Ground.
ACTION: Trace rear wheel speed sensor harness along rear solid axle tube. Inspect wiring where it flexes between the axle and frame for fatigue breaks.
Red Seal field insights
Axle Articulation Stress: Rough off-road articulation stretches and snaps the tight rear wheel speed sensor harness leads near the shock mounts.
Same code keeps coming back?
That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.
Read before you touch anything
- This is general reference information, not a repair manual. It is for trained, qualified technicians.
- Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
- Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
- You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
- Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.
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