P1806
Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
P1806 is an OBD-II diagnostic trouble code meaning: Transmission 4-Wheel Drive High Indicator Short Circuit To Battery. Common causes: short circuit in the indicator circuit to battery positive, wiring harness damage. Estimated repair cost: $6–56.
Symptoms
- All-wheel drive indicator is constantly on
- All wheel drive indicator does not work
- Incorrect operation of the 4WD indicator
- Check engine light comes on
- The error is registered in the ECU memory
Causes
- Short circuit in the indicator circuit to battery positive
- Wiring harness damage
- Four-wheel drive switch malfunction
- Indicator relay problems
- Transmission control module (TCM) malfunction
How to Fix
- Check the condition of the fuses associated with the 4WD circuit
- Visually inspect the wiring harness for damage.
- Check the resistance of the indicator circuit
- Test the four-wheel drive switch
- Replace damaged components if necessary
Related codes
Error P1806 by Vehicle Brand
FAQ
What does the P1806 code mean?
P1806 is an OBD-II diagnostic trouble code that indicates: Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
What causes a P1806 error code?
The most common causes of P1806 include: Short circuit in the indicator circuit to battery positive; Wiring harness damage; Four-wheel drive switch malfunction; Indicator relay problems.
How do I fix a P1806 diagnostic trouble code?
To fix P1806: Check the condition of the fuses associated with the 4WD circuit. Visually inspect the wiring harness for damage.. Check the resistance of the indicator circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1806?
Yes, but get it checked soon
How much does it cost to fix P1806?
The estimated repair cost for P1806 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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