Engine Error
P0318
Rough Road Sensor A Signal Circuit
Severity
Low
Symptoms
False misfire codes, traction control issues, check engine light
Common Causes
- Faulty rough road sensor
- Corroded electrical connector
- Short to ground in sensor wiring
- Damaged reluctor ring on wheel hub
How to Fix
- 1 Replace rough road sensor
- 2 Clean connector contacts
- 3 Repair shorted wiring
- 4 Inspect wheel speed sensors
Estimated Repair Cost
USD
$80
–
$250
Sensor replacement: 100 - 250