P263B
MIL Control Circuit High
P263B is an OBD-II diagnostic trouble code meaning: MIL Control Circuit High. Common causes: open or short circuit in mil control circuit, engine control unit (ecu) malfunction. Estimated repair cost: $6–56.
Symptoms
- Check Engine Light Is On
- The Check Engine light does not come on when the ignition is turned on.
- Flashing Check Engine Light
- Incorrect operation of the Check Engine indicator
- Errors in the self-diagnosis system
Causes
- Open or short circuit in MIL control circuit
- Engine control unit (ECU) malfunction
- Wiring harness damage
- Malfunction of the Check Engine indicator itself
- Circuit power problems
How to Fix
- Check MIL control circuit continuity
- Check the condition of the wiring harness for damage
- Check the functionality of the Check Engine indicator
- Check control circuit power supply
- Diagnostics and possible replacement of the engine control unit (ECU)
Related codes
Error P263B by Vehicle Brand
FAQ
What does the P263B code mean?
P263B is an OBD-II diagnostic trouble code that indicates: MIL Control Circuit High
What causes a P263B error code?
The most common causes of P263B include: Open or short circuit in MIL control circuit; Engine control unit (ECU) malfunction; Wiring harness damage; Malfunction of the Check Engine indicator itself.
How do I fix a P263B diagnostic trouble code?
To fix P263B: Check MIL control circuit continuity. Check the condition of the wiring harness for damage. Check the functionality of the Check Engine indicator. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P263B?
Yes, but get it checked soon
How much does it cost to fix P263B?
The estimated repair cost for P263B is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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