Battery Charger A Coupler Lock Position Sensor Circuit Intermittent/Erratic
The ECM detects a intermittent/erratic fault on the battery charger a coupler lock position sensor circuit. Reading cannot be used reliably for control.
Affected components
- Battery charger a coupler lock pos sensor
- Wiring harness
- Bms
Common causes
- High likelihood: Sensor connector not seated
- Medium likelihood: Noisy ground reference
- Low likelihood: Connector with intermittent contact under vibration
Possible symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
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.