P0617high severityPowertrain
Starter Motor Relay Circuit High
on 2010 Toyota Highlander 2.7L I4 · FWD
What this code means
High voltage in starter relay circuit.
Symptoms
- Starter engaged too long
- Starter running after engine starts
Common causes
- Short to power
- Relay stuck
- Ignition switch sticking
Diagnostic steps
- Test relay
- Check for shorts
- Test ignition switch
Repair notes
Replace relay. Check ignition switch. Do not ignore - can damage starter.
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P0010
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P0015
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