garajizOBD-II code · generic
P20B8
Reductant Metering Unit Heater Control Circuit High
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P20B8 mean?
P20B8 is defined as “Reductant Metering Unit Heater Control Circuit High”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P20B7Reductant Metering Unit Heater Control Circuit Low
- P20B9Reductant Heater A Control Circuit/Open
- P20B6Reductant Metering Unit Heater Control Circuit Performance
- P20BAReductant Heater A Control Circuit Performance
- P20B5Reductant Metering Unit Heater Control Circuit/Open
- P20BBReductant Heater A Control Circuit Low
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This page is general information; an exact diagnosis needs measurements and a technician’s check.