P17D4 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado?
- 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 2015 Chevrolet Silverado?
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 2015 Chevrolet Silverado 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.
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Frequently Asked Questions about P17D4 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P17D4 on a 2015 Chevrolet Silverado?
- The common symptoms include the vehicle being stuck in neutral range in either high or low range, difficulty shifting gears, and a warning light on the dashboard.
2. What could be causing the OBDII code P17D4 to appear on a 2015 Chevrolet Silverado?
- The code P17D4 typically indicates a fault in the transfer case control module or a problem with the transfer case actuator motor.
3. How serious is the OBDII code P17D4 in a 2015 Chevrolet Silverado?
- While the vehicle may still be operable, it is important to address the issue promptly to avoid potential damage to the transfer case components and ensure safe driving conditions.
4. Can I continue driving my 2015 Chevrolet Silverado with the OBDII code P17D4 present?
- It is not recommended to drive the vehicle with the code P17D4 present, as it can lead to further damage and safety concerns. It is best to have the issue diagnosed and repaired as soon as possible.
5. How can I diagnose and repair the OBDII code P17D4 on my 2015 Chevrolet Silverado?
- Diagnosis typically involves checking the transfer case control module and actuator motor for any faults or malfunctions. Repair may involve replacing the faulty component or addressing any wiring issues.
6. Can a DIY enthusiast fix the OBDII code P17D4 on a 2015 Chevrolet Silverado?
- While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing the specific cause of the code may require specialized tools and expertise. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
7. How much does it cost to fix the OBDII code P17D4 on a 2015 Chevrolet Silverado?
- The cost of fixing the code P17D4 can vary depending on the root cause of the issue, parts needed for repair, and labor costs. It is advisable to obtain quotes from different mechanics or repair shops for an accurate estimate.
8. Will resetting the OBDII code P17D4 on a 2015 Chevrolet Silverado make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem to prevent recurrence.
9. Is the OBDII code P17D4 a common issue in 2015 Chevrolet Silverado vehicles?
- While not extremely common, the code P17D4 can occur in 2015 Chevrolet Silverado vehicles due to various factors such as wear and tear, electrical issues, or component failures.
10. How can I prevent the OBDII code P17D4 from appearing again on my 2015 Chevrolet Silverado?
- Regular maintenance of the transfer case components, prompt addressing of any warning lights or unusual symptoms, and timely repairs of any related issues can help prevent the recurrence of the code P17D4 in your Chevrolet Silverado.
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