Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1
Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1: the signal voltage is above the expected range. The ECU uses this temperature to protect the catalyst and diesel particulate filter.
Affected components
- Egt sensor b2s1
Common causes
- High likelihood: Signal shorted to supply
- 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.