OBD-II code · Powertrain (generic, extended)
P2470 Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 3
The exhaust gas temperature sensor 3 on bank 1 (often after the DPF) shows intermittent dropouts. Erratic readings disturb DPF regeneration logic.
Is it safe to drive with P2470?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIntermittent connector
- PossibleChafed wiring near hot exhaust
- Less likelyHarness routed against vibrating component
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Exhaust Gas Temperature Sensor, Egt Wiring
Related codes
- P246DParticulate Filter Pressure Sensor A and B Correlation
- P246EExhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4
- P246FReductant System Cold Start Performance
- P2471Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
- P2472Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
- P2473Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.