Code result
U0318
Software Incompatibility with Power Steering Control Module
Moderate severity
What it means
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.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
EPS software/calibration mismatch
highOne of the most commonly reported causes for this code — check this first.
Used EPS module fitted from different vehicle
mediumA plausible cause — test and verify before replacing parts.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
Related help
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