Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3
General electrical fault on EGT sensor 3 on bank 2. The ECU loses the temperature reference required for DPF regeneration management on bank 2.
Affected components
- Exhaust gas temperature sensor
- Egt wiring
Common causes
- High likelihood: Defective EGT sensor
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.