Chassis
generic / SAE
C0539
Motor Control B Supply Voltage Circuit/Open
Open circuit on motor A supply voltage line.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 39
Possible causes
- Supply fuse blown high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 10–300 €
- Estimated time: 0.3–2 h
- Component: chassis motor b
- Component: fuse
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012