P17D4
Transfer Case Neutral Range Detected in High or Low Range
P17D4 is an OBD-II diagnostic trouble code meaning: Transfer Case Neutral Range Detected in High or Low Range. Common causes: transfer case position sensor malfunction, problems with wiring or connectors. Estimated repair cost: $56–278.
Symptoms
- The car does not move when the drive is on
- Gear indicator on dashboard
- Unstable operation of the transfer case
- Difficulty switching between modes
Causes
- Transfer case position sensor malfunction
- Problems with wiring or connectors
- Mechanical damage to the transfer case
- Low oil level in transfer case
- Transfer case control unit malfunction
How to Fix
- Check the level and condition of the oil in the transfer case
- Diagnostics of transfer case position sensors
- Check the integrity of electrical wiring and connectors
- Carry out mechanical diagnostics of the transfer case
- If necessary, replace faulty components
Related codes
FAQ
What does the P17D4 code mean?
P17D4 is an OBD-II diagnostic trouble code that indicates: Transfer Case Neutral Range Detected in High or Low Range
What causes a P17D4 error code?
The most common causes of P17D4 include: Transfer case position sensor malfunction; Problems with wiring or connectors; Mechanical damage to the transfer case; Low oil level in transfer case.
How do I fix a P17D4 diagnostic trouble code?
To fix P17D4: Check the level and condition of the oil in the transfer case. Diagnostics of transfer case position sensors. Check the integrity of electrical wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P17D4?
Do not drive — repair immediately
How much does it cost to fix P17D4?
The estimated repair cost for P17D4 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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