garajizOBD-II code · generic
P20AA
Reductant Injection Air Pressure Control Valve Stuck Open
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P20AA mean?
P20AA is defined as “Reductant Injection Air Pressure Control Valve Stuck Open”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P20A9Reductant Injection Air Pressure Control Valve Circuit High
- P20ABReductant Injection Air Pressure Control Valve Stuck Closed
- P20A8Reductant Injection Air Pressure Control Valve Circuit Low
- P20ACReductant Metering Unit Temperature Sensor Circuit
- P20A7Reductant Injection Air Pressure Control Valve Performance
- P20ADReductant Metering Unit Temperature Sensor Circuit Range/Performance
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.