U0117 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC U0117 Buick?
- 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 Buick?
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 Buick 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 Buick Code
1. What does the OBDII code U0117 mean on a Buick?
U0117 indicates that the vehicle's modules have lost communication with the Power Take-Off (PTO) Control Module.
2. What are the common symptoms of code U0117 on a Buick?
Symptoms may include a check engine light, malfunctioning PTO system, reduced engine performance, and potential issues with auxiliary systems that rely on the PTO.
3. What causes the U0117 code to appear on a Buick?
Common causes include a faulty PTO control module, damaged wiring or connectors in the communication circuit, or issues with the CAN (Controller Area Network) bus system.
4. Can I continue driving my Buick with a U0117 code?
While you may be able to drive the vehicle, it's not recommended as the PTO functionality may be compromised, potentially affecting vehicle performance or auxiliary equipment.
5. How do I diagnose the U0117 code on my Buick?
Start by checking the PTO control module and its wiring for visible damage. Use a scan tool to verify communication on the CAN bus and test the module's power and ground connections.
6. How is the U0117 code typically fixed?
Repairs may include replacing the PTO control module, repairing damaged wiring or connectors, or reprogramming the module if necessary.
7. Can a dead battery trigger the U0117 code on a Buick?
A severely discharged or faulty battery can cause communication issues between modules and potentially trigger the U0117 code.
8. Is the U0117 code specific to Buicks with PTO systems?
Yes, this code specifically relates to vehicles equipped with a Power Take-Off system, which is commonly used for auxiliary equipment in some models.
9. How much does it cost to fix the U0117 code on a Buick?
Repair costs can vary widely, ranging from $100 for minor wiring repairs to $500 or more if the PTO control module needs replacement.
10. Can a software update resolve the U0117 code on my Buick?
In some cases, a software update from the manufacturer may resolve communication issues if the problem is related to outdated module programming.
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