Gear Selection Actuator Position Sensor Circuit High
The ECM detects a circuit high fault on the gear selection actuator position sensor. Reading cannot be used reliably for control.
Affected components
- Gear selection actuator position sensor
- Wiring harness
- Tcm
Common causes
- High likelihood: Signal wire shorted to B+
- Medium likelihood: Open sensor
- Low likelihood: Connector pins corroded - high contact resistance
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.