P1518 GMC - Throttle Actuator Control Module Performance
- Dead or weak battery
- Faulty Throttle Actuator Control (TAC) module
- Throttle Actuator Control (TAC) module harness is ope or shorted
- Throttle Actuator Control (TAC) module circuit poor electrical connection
- Check Throttle Actuator Control (TAC) module connector for water
When is the code detected?
The Engine Control Module (ECM) has detected a loss of data or invalid data from the Throttle Actuator Control (TAC)
- Engine Light ON (or Service Engine Soon Warning Light)
- No throttle response
P1518 GMC Description
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