OBD-II code · Powertrain (generic)
P0470 Exhaust Pressure Sensor A Circuit
A general electrical fault on exhaust pressure sensor A — used to monitor backpressure across the DPF or to control variable-geometry turbo.
Is it safe to drive with P0470?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Exhaust Pressure Sensor
Related codes
- P047AExhaust Pressure Sensor B Circuit
- P046DEGR Sensor A Circuit Intermittent/Erratic
- P046EEGR Sensor B Circuit Range/Performance
- P046FEGR Sensor B Circuit Intermittent/Erratic
- P0471Exhaust Pressure Sensor A Circuit Range/Performance
- P0472Exhaust Pressure Sensor A Circuit Low
- P0473Exhaust Pressure Sensor A Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.