P17D4 2014 GMC Sierra Code - Transfer Case Neutral Range Detected in High or Low Range
Quick Answer
The Engine Control Module (ECM) uses the following two ways to determine if the transfer case is in 4WD Low, 4WD High, or Neutral. Common causes include Reprogram Engine Control Module (ECM), Faulty Engine Control Module, Engine Control Module harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P17D4 2014 GMC Sierra indicates Transfer Case Neutral Range Detected in High or Low Range.
- Common causes
- Common causes include Reprogram Engine Control Module (ECM), Faulty Engine Control Module, Engine Control Module harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P17D4 2014 GMC Sierra Description
1. The first way is to compare the transmission output speed sensor to the transfer case output speed sensor in order to calculate the transfer case range.
2. The second way is to use a LAN message sent by the transfer case shift control module to the ECM.
The ECM uses this message to determine motor torque required and transmission shifting.
The internal fault detection is handled inside the control module. No external circuit diagnosis is involved.
If the first way and second way of determining transfer case range do not match while in 4WD Low, 4WD High or Neutral, then the Diagnostic Trouble Code (DTC) is set.
What are the Possible Causes of the DTC P17D4 2014 GMC Sierra?
- Reprogram Engine Control Module (ECM)
- Faulty Engine Control Module
- Engine Control Module harness is open or shorted
- Engine Control Module circuit poor electrical connection
- Transmission internal mechanical problems
How to Fix the DTC P17D4 2014 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P17D4 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P17D4 2014 GMC Sierra code?
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Frequently Asked Questions about P17D4 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P17D4 in a 2014 GMC Sierra?
The common symptoms of OBDII code P17D4 in a 2014 GMC Sierra include the vehicle being stuck in neutral range, difficulty shifting gears, and possible warning lights on the dashboard.
2. What does the OBDII code P17D4 Transfer Case Neutral Range Detected in High or Low Range mean for a 2014 GMC Sierra?
This code indicates that the transfer case control module has detected that the vehicle is in neutral range while it should be in either high or low range.
3. What are the possible causes of OBDII code P17D4 in a 2014 GMC Sierra?
Possible causes of code P17D4 in a 2014 GMC Sierra include a faulty transfer case control module, damaged wiring or connectors, or issues with the transfer case actuator motor.
4. How can I diagnose OBDII code P17D4 in my 2014 GMC Sierra?
Diagnosing code P17D4 involves using a scan tool to read the code, checking the transfer case control module for any fault codes, inspecting the wiring and connectors for damage, and testing the transfer case actuator motor.
5. What are some repair tips for fixing OBDII code P17D4 in a 2014 GMC Sierra?
Repair tips for addressing code P17D4 may include replacing the transfer case control module, repairing any damaged wiring or connectors, and testing or replacing the transfer case actuator motor if necessary.
6. Can I continue driving my 2014 GMC Sierra with OBDII code P17D4?
It is not recommended to continue driving your GMC Sierra with OBDII code P17D4, as it can lead to further damage to the transfer case components and affect the vehicle's performance.
7. Is OBDII code P17D4 a serious issue in a 2014 GMC Sierra?
Code P17D4 should be addressed promptly in a 2014 GMC Sierra to prevent potential transfer case malfunctions and ensure the vehicle operates safely and efficiently.
8. How much does it typically cost to repair OBDII code P17D4 in a 2014 GMC Sierra?
The cost of repairing OBDII code P17D4 in a 2014 GMC Sierra can vary depending on the exact cause of the issue, but it may involve parts and labor expenses for component replacement or repair.
9. Can I reset OBDII code P17D4 in my 2014 GMC Sierra without fixing the underlying issue?
Resetting the code without addressing the underlying issue may temporarily clear the warning light, but the problem will likely reoccur until the root cause is properly diagnosed and repaired.
10. How can I prevent OBDII code P17D4 from occurring in my 2014 GMC Sierra?
To prevent OBDII code P17D4 from occurring in your 2014 GMC Sierra, it's important to regularly maintain your vehicle's transfer case components, address any warning signs promptly, and follow the manufacturer's recommended maintenance schedule.
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