P1862
Transmission Transfer Case Contact Plate Power Circuit Failure
P1862 is an OBD-II diagnostic trouble code meaning: Transmission Transfer Case Contact Plate Power Circuit Failure. Common causes: open or short circuit in the power supply, oxidation of contact plate contacts. Estimated repair cost: $17–89.
Symptoms
- Four-wheel drive does not work
- Check engine light is on
- Difficulty switching transfer case modes
- Loss of power on one of the axes
- Clicking or other unusual sounds from the transfer case
Causes
- Open or short circuit in the power supply
- Oxidation of contact plate contacts
- Wiring harness damage
- Transfer case control unit malfunction
- Chain ground problems
How to Fix
- Check the integrity of the contact plate power circuit
- Clean and check connector contacts
- Check the condition of the wiring harness for damage
- Check the operation of the control unit
- If necessary, replace the contact plate
Related codes
Error P1862 by Vehicle Brand
FAQ
What does the P1862 code mean?
P1862 is an OBD-II diagnostic trouble code that indicates: Transmission Transfer Case Contact Plate Power Circuit Failure
What causes a P1862 error code?
The most common causes of P1862 include: Open or short circuit in the power supply; Oxidation of contact plate contacts; Wiring harness damage; Transfer case control unit malfunction.
How do I fix a P1862 diagnostic trouble code?
To fix P1862: Check the integrity of the contact plate power circuit. Clean and check connector contacts. Check the condition of the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1862?
Limited driving only, diagnose soon
How much does it cost to fix P1862?
The estimated repair cost for P1862 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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