P1859
Transmission Transfer Case Contact Plate 'D' Open Circuit
P1859 is an OBD-II diagnostic trouble code meaning: Transmission Transfer Case Contact Plate 'D' Open Circuit. Common causes: broken wires in the harness, oxidation of plate contacts. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- Unstable operation of the all-wheel drive system
- The car can remain in one drive mode
- Possible errors in ABS operation
Causes
- Broken wires in the harness
- Oxidation of plate contacts
- Damage to the contact plate
- Short circuit in the circuit
- Control unit malfunction
How to Fix
- Check the integrity of the wiring harness
- Clean plate contacts
- Check contact plate resistance
- Replace damaged components
- Check the operation of the control unit
Related codes
Error P1859 by Vehicle Brand
FAQ
What does the P1859 code mean?
P1859 is an OBD-II diagnostic trouble code that indicates: Transmission Transfer Case Contact Plate 'D' Open Circuit
What causes a P1859 error code?
The most common causes of P1859 include: Broken wires in the harness; Oxidation of plate contacts; Damage to the contact plate; Short circuit in the circuit.
How do I fix a P1859 diagnostic trouble code?
To fix P1859: Check the integrity of the wiring harness. Clean plate contacts. Check contact plate resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1859?
Yes, but get it checked soon
How much does it cost to fix P1859?
The estimated repair cost for P1859 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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