Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)
The EGT sensor on bank 2 sensor 2 reads above the upper plausibility limit — open signal or short to B+.
Affected components
- Exhaust gas temperature sensor
Common causes
- High likelihood: Open signal line
- Low likelihood: Connector pins corroded - high contact resistance
- Low likelihood: Supply wire pinched against B+ source
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
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.