P1002
Ignition Key Off Timer Performance Too Slow
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- The car may not turn off completely after turning the key
- Battery low
- Dashboard lights stay on
- Problems starting the engine
Causes
- Faulty ignition off timer
- Electrical wiring problems
- Ignition relay malfunction
- Problems with the engine control unit (ECU)
How to Fix
- Check the condition of the fuses
- Diagnose the ignition off timer
- Check wiring and connections
- Replacing a faulty timer if necessary
- Reflashing or replacing the ECU if problems are detected