P0615-84: Starter Relay Circuit - Signal below allowable range: Action
- Vehicle Conditions to enable DTC Logging Strategy
- Prioritized Checks to Perform
- Check powertrain control module for additional Diagnostic Trouble Code(s) and refer to relevant DTC index. Rectify these first
- Refer to the electrical circuit diagrams and check the power and ground connections to the module
- Refer to the electrical circuit diagrams and check starter motor relay circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Install new starter motor relay, only when diagnosed as failed
- Clear the DTC and retest