OBD-II code · Powertrain (generic, extended)
P2397 Diesel Intake Air Flow B Position Sensor Range or Performance
Same as P2396 with the signal in plausible range yet not matching the actuator command.
Is it safe to drive with P2397?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor signal offset
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.8–2 h
- Emissions test
- Likely to fail
- Parts involved
- Diesel Intake Air Flow B Position Sensor
Related codes
- P2394Diesel Intake Air Flow B Control Stuck Open
- P2395Diesel Intake Air Flow B Control Stuck Closed
- P2396Diesel Intake Air Flow B Position Sensor Circuit
- P2398Diesel Intake Air Flow B Position Sensor Circuit Low
- P2399Diesel Intake Air Flow B Position Sensor Circuit High
- P239ADiesel Intake Air Flow B Position Sensor Circuit Intermittent or Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.