P1530
Ignition Timing Adjustment Switch Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Unstable engine operation at idle
- Check Engine Light Illuminates
- Possible misfires
Causes
- Open or short circuit in switch circuit
- Oxidation of switch contacts
- Malfunction of the ignition control switch
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the integrity of wiring and contacts
- Test the ignition control switch
- Clean contacts from oxidation
- Replace switch if necessary
- Check and update ECU software