P1001
Key On/Engine Running Not Able To Complete
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
~$278 (est.)
Symptoms
- Check Engine Light Is On
- Problems starting the engine
- Reduced engine power
- Unstable engine idling
- Errors in other vehicle systems
Causes
- Problems with power supply or grounding of the ECU
- Wiring harness fault
- Damaged or corroded connectors
- ECU software failure
- ECU reprogramming failed
How to Fix
- Check the condition of the battery and the voltage in the on-board network
- Inspect the ECU connectors and wiring harnesses for damage.
- Check the integrity of the power supply and grounding circuits of the computer
- Try to reset the error and re-diagnostics
- If necessary, reflash or replace the ECU