AutoCodes – GMC – P17DD GMC

P17DD GMC Code - Transmission Range Control Module System Voltage Low

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range Control Module circuit poor electrical connection. 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
P17DD GMC indicates Transmission Range Control Module System Voltage Low.
Common causes
Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range Control Module circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,714
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2022
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Code P17DD GMC Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Transmission Range Control Module detects a system voltage below or above a threshold.
OBDII Code P17DD GMC - Transmission Range Control Module System Voltage Low - AutoCodes.com
P17DD GMC Code - Transmission Range Control Module System Voltage Low

What are the Possible Causes of the DTC P17DD GMC?

  • Faulty Transmission Range Control Module
  • Transmission Range Control Module harness is open or shorted
  • Transmission Range Control Module circuit poor electrical connection

How to Fix the DTC P17DD GMC?

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 P17DD GMC 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 P17DD GMC code?

Need more information on how to fix the P17DD GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17DD GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P17DD GMC Code

1. What are the common symptoms associated with OBDII code P17DD in a GMC vehicle?

- Common symptoms include transmission shifting issues, harsh shifting, hesitation during gear changes, and the transmission going into limp mode.

2. What are the possible causes of OBDII code P17DD indicating Transmission Range Control Module System Voltage Low in a GMC vehicle?

- The code may be triggered by a faulty transmission range control module, low voltage in the system, wiring issues, or a defective transmission range sensor.

3. How can I diagnose the cause of OBDII code P17DD in my GMC vehicle?

- To diagnose the issue, you can use a diagnostic scanner to retrieve the trouble codes, check the voltage levels in the transmission range control module system, inspect the wiring for any damage, and test the transmission range sensor.

4. Is it safe to continue driving with OBDII code P17DD present in a GMC vehicle?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission system and potentially leave you stranded on the road.

5. What are some repair tips for resolving OBDII code P17DD in a GMC vehicle?

- Repair tips may include checking and replacing any damaged wiring, testing and replacing the transmission range sensor if faulty, and ensuring the transmission range control module is functioning correctly.

6. Can a DIY enthusiast fix OBDII code P17DD in a GMC vehicle, or is professional assistance required?

- While some troubleshooting steps can be performed by a DIY enthusiast, fixing OBDII code P17DD may require specialized tools and expertise, so professional assistance is often recommended.

7. How much can I expect to pay to repair OBDII code P17DD in a GMC vehicle?

- The cost of repairing OBDII code P17DD can vary depending on the specific cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.

8. Are there any preventive measures to avoid OBDII code P17DD in a GMC vehicle in the future?

- Regular maintenance of the transmission system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent OBDII code P17DD from occurring.

9. Will resetting the OBDII code P17DD in a GMC vehicle make the issue go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed and fixed, the code is likely to reappear, indicating an unresolved problem.

10. How long does it typically take to repair OBDII code P17DD related to the Transmission Range Control Module System Voltage Low in a GMC vehicle?

- The repair time can vary depending on the exact cause of the issue, availability of parts, and the expertise of the mechanic, but it may take a few hours to a day to complete the repair.

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