garajizOBD-II code · generic
P20AB
Reductant Injection Air Pressure Control Valve Stuck Closed
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P20AB mean?
P20AB is defined as “Reductant Injection Air Pressure Control Valve Stuck Closed”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P20AAReductant Injection Air Pressure Control Valve Stuck Open
- P20ACReductant Metering Unit Temperature Sensor Circuit
- P20A9Reductant Injection Air Pressure Control Valve Circuit High
- P20ADReductant Metering Unit Temperature Sensor Circuit Range/Performance
- P20A8Reductant Injection Air Pressure Control Valve Circuit Low
- P20AEReductant Metering Unit Temperature Sensor Circuit Low
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This page is general information; an exact diagnosis needs measurements and a technician’s check.