P1318
ABS Rough Road Signal Line Stuck At Battery Volts
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- The ABS indicator on the dashboard is on
- The ABS system may not work correctly
- Possible false alarms of ABS on a flat road
- The error is stored in the ECU memory
Causes
- Open circuit in the rough road signal circuit
- Short circuit to power in the circuit
- Rough road sensor malfunction
- Problems with the ABS module
- Wiring harness damage
How to Fix
- Check the continuity of the rough road signal circuit
- Measure the voltage in the circuit
- Check rough road sensor
- Diagnose ABS module
- Replace damaged components if necessary