P1179 GMC Code - Fuel Pump Driver Control Module Sensor 2 Internal Supply Circuit
Quick Answer
The Fuel Pump Power Control Module is in constant communication with the Engine Control Module (ECM) regarding the operating state of the fuel pump power control system. Common causes include Faulty Fuel Pump Power Control Module, Fuel Pump Power Control Module harness is open or shorted, Fuel Pump Power 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
- P1179 GMC indicates Fuel Pump Driver Control Module Sensor 2 Internal Supply Circuit.
- Common causes
- Common causes include Faulty Fuel Pump Power Control Module, Fuel Pump Power Control Module harness is open or shorted, Fuel Pump Power 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 P1179 GMC Description
What are the Possible Causes of the DTC P1179 GMC?
- Faulty Fuel Pump Power Control Module
- Fuel Pump Power Control Module harness is open or shorted
- Fuel Pump Power Control Module circuit poor electrical connection
How to Fix the DTC P1179 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 P1179 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 P1179 GMC Code
1. What does the OBDII code P1179 mean for a GMC vehicle?
P1179 indicates an issue with the Fuel Pump Driver Control Module Sensor 2 Internal Supply Circuit, which may impact the fuel pump's operation and vehicle performance.
2. What are common symptoms of code P1179 in a GMC?
Symptoms may include difficulty starting the vehicle, reduced engine performance, stalling, or a check engine light.
3. What causes the P1179 code to appear?
Common causes include a faulty fuel pump driver control module, wiring issues, or poor electrical connections in the module's circuit.
4. Can I drive my GMC with the P1179 code?
Driving with this code is not recommended as it can lead to stalling or unreliable fuel delivery, potentially leaving you stranded.
5. How is the P1179 code diagnosed in a GMC?
Diagnosis typically involves checking the fuel pump driver control module, inspecting wiring and connectors, and testing for proper voltage and resistance in the circuit.
6. What repairs are needed to fix the P1179 code?
Repairs may include replacing the fuel pump driver control module, repairing damaged wiring, or cleaning and tightening electrical connections.
7. How much does it cost to fix the P1179 code on a GMC?
Repair costs vary but could range from $200 to $600 or more, depending on whether the module needs replacement and labor costs.
8. Can a bad fuel pump cause the P1179 code?
Yes, a failing fuel pump could indirectly trigger this code if it affects the fuel pump driver control module's operation.
9. Will clearing the P1179 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be addressed to prevent the code from returning.
10. How can I prevent the P1179 code from appearing again?
To prevent recurrence, regularly inspect and maintain the fuel pump driver control module, wiring, and electrical connections in the fuel system.
Discuss the causes and fixes for P1179 GMC OBDII Code
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