Transfer Case Contact Plate "B" Encoder Circuit Failure

Check these first

• A fault in the transfer case contact plate B encoder
• An open or short in the encoder circuit wiring
• A poor electrical connection at the transfer case connector
• A faulty transfer case assembly

What to do next

1. Read the transfer case encoder position on a scan tool
2. Check the encoder B signal circuit
3. Inspect the transfer case connector and wiring
4. Test the encoder circuit for open and short faults
5. Replace the transfer case assembly if the encoder signal stays wrong
6. Clear the code and retest

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