OBD-II code · Powertrain (generic)
P00DB Ambient Air Temperature Sensor Circuit B Low
Ambient air temp sensor B signal voltage below expected range.
Is it safe to drive with P00DB?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Ambient Air Temp Sensor B, Sensor Wiring
Related codes
- P0072Ambient Air Temperature Sensor Circuit A Low
- P00D8Turbocharger/Supercharger Bypass Valve B Temperature Too High
- P00D9Ambient Air Temperature Sensor Circuit B
- P00DAAmbient Air Temperature Sensor Circuit B Range/Performance
- P00DCAmbient Air Temperature Sensor Circuit B High
- P00DDAmbient Air Temperature Sensor Circuit B Intermittent/Erratic
- P00DECharge Air Cooler Coolant Temperature Sensor A Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.