A/C Refrigerant Temperature Sensor B Circuit
The ECM detects a circuit fault on the a/c refrigerant temperature sensor b circuit. Reading cannot be used reliably for control.
Affected components
- Ac refrigerant temp sensor b
- Wiring harness
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
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.