U0117 GMC Code - Lost Communication With Power Take-Off Control Module
Quick Answer
Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Power Take-Off Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off 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
- U0117 GMC indicates Lost Communication With Power Take-Off Control Module.
- Common causes
- Common causes include Faulty Power Take-Off Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off 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.
Code U0117 GMC Description
What are the Possible Causes of the DTC U0117 GMC?
- Faulty Power Take-Off Control Module
- Power Take-Off Control Module harness is open or shorted
- Power Take-Off Control Module circuit poor electrical connection
How to Fix the DTC U0117 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 U0117 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.
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Frequently Asked Questions about U0117 GMC Code
1. What does the OBDII code U0117 mean on a GMC vehicle?
The U0117 code indicates a loss of communication with the Power Take-Off (PTO) Control Module, which manages auxiliary functions like powering hydraulic systems.
2. What are the common symptoms of code U0117 on a GMC?
Symptoms may include warning lights on the dashboard, inoperable PTO equipment, reduced vehicle functionality, or no noticeable issues depending on the system's usage.
3. What causes the U0117 code to appear on a GMC?
Common causes include a faulty PTO Control Module, damaged wiring or connectors, a blown fuse, or issues with the Controller Area Network (CAN) communication system.
4. Can I drive my GMC with a U0117 code?
Yes, you can usually drive the vehicle, but PTO-related systems may not function properly, and ignoring the issue could lead to further complications.
5. How do you diagnose the U0117 code on a GMC?
Diagnosis involves checking the PTO Control Module for faults, inspecting the CAN wiring and connectors, testing the fuses, and verifying module communication using a scan tool.
6. How do you fix the U0117 code on a GMC?
Repairs may include replacing or repairing damaged wiring, reconnecting loose connectors, replacing a blown fuse, or replacing the PTO Control Module if it’s defective.
7. What tools are needed to troubleshoot the U0117 code?
You’ll need an advanced OBDII scan tool capable of reading CAN communication data, a multimeter for electrical testing, and potentially a wiring diagram for your vehicle.
8. How much does it cost to repair the U0117 code on a GMC?
Repair costs vary depending on the issue, ranging from $50 for wiring repairs to $500 or more if the PTO Control Module needs replacement.
9. Can a software issue cause the U0117 code on a GMC?
Yes, outdated or corrupted software in the PTO Control Module or related systems can cause communication loss and trigger the code.
10. Does the U0117 code require module reprogramming after repairs?
In some cases, reprogramming or resetting the PTO Control Module may be necessary after replacing the module or repairing communication issues.
Discuss the causes and fixes for U0117 GMC OBDII Code
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