P20BE
Reductant Heater B Control Circuit Performance
P20BE is an OBD-II diagnostic trouble code meaning: Reductant Heater B Control Circuit Performance. Common causes: open or short circuit in the heater circuit, reagent heating element malfunction. Estimated repair cost: $28–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Possible starting problems in cold weather
- SCR error message on dashboard
Causes
- Open or short circuit in the heater circuit
- Reagent heating element malfunction
- Problems with the relay or circuit fuse
- SCR control unit malfunction
- Poor contact in circuit connectors
How to Fix
- Check heater circuit fuses and relays
- Inspect the wiring harness for damage
- Check the resistance of the heating element
- Scan the SCR control unit for additional errors
- If necessary, replace the heating element or repair the wiring
Related codes
Error P20BE by Vehicle Brand
FAQ
What does the P20BE code mean?
P20BE is an OBD-II diagnostic trouble code that indicates: Reductant Heater B Control Circuit Performance
What causes a P20BE error code?
The most common causes of P20BE include: Open or short circuit in the heater circuit; Reagent heating element malfunction; Problems with the relay or circuit fuse; SCR control unit malfunction.
How do I fix a P20BE diagnostic trouble code?
To fix P20BE: Check heater circuit fuses and relays. Inspect the wiring harness for damage. Check the resistance of the heating element. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20BE?
Yes, but get it checked soon
How much does it cost to fix P20BE?
The estimated repair cost for P20BE is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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