Network
generic / SAE
U0318
Software Incompatibility with Power Steering Control Module
A control module has detected that its software version does not match the electric power steering module. Steering may stay functional but become heavy if the EPS goes into a fallback mode.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number3 / 18
Possible causes
- EPS software/calibration mismatch high
- Used EPS module fitted from different vehicle medium
- Gateway module routing CAN messages incorrectly low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 80–800 €
- Estimated time: 0.5–3 h
- Component: power steering module
- Component: control module
- MIL / check engine light
Sources
References
sae:J2012