Ambient Air Temperature Sensor Circuit B Intermittent/Erratic
Intermittent signal from ambient air temp sensor B.
Affected components
- Ambient air temp sensor b
- Sensor wiring
Common causes
- High likelihood: Connector loose or corroded
- Low likelihood: Connector with intermittent contact under vibration
- Low likelihood: Harness routed against vibrating component
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.