P1857
Transfer Case Contact Plate 'C' Short Circuit To Ground
P1857 is an OBD-II diagnostic trouble code meaning: Transfer Case Contact Plate 'C' Short Circuit To Ground. Common causes: damage to transfer case wiring harness, short circuit in contact plate circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- The transfer case only works in one mode
- Unstable operation of the all-wheel drive system
Causes
- Damage to transfer case wiring harness
- Short circuit in contact plate circuit
- Oxidation or corrosion of contacts
- Contact plate 'C' faulty
- Circuit Grounding Problems
How to Fix
- Check wiring harness for damage
- Inspect the contact plate for corrosion
- Check continuity of circuit and grounding
- Replace contact plate if necessary
- Clear and restore contacts
Related codes
Error P1857 by Vehicle Brand
FAQ
What does the P1857 code mean?
P1857 is an OBD-II diagnostic trouble code that indicates: Transfer Case Contact Plate 'C' Short Circuit To Ground
What causes a P1857 error code?
The most common causes of P1857 include: Damage to transfer case wiring harness; Short circuit in contact plate circuit; Oxidation or corrosion of contacts; Contact plate 'C' faulty.
How do I fix a P1857 diagnostic trouble code?
To fix P1857: Check wiring harness for damage. Inspect the contact plate for corrosion. Check continuity of circuit and grounding. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1857?
Yes, but get it checked soon
How much does it cost to fix P1857?
The estimated repair cost for P1857 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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