P1EF6 GMC Code - Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage
Quick Answer
The Body Control Module (BCM) controls the ignition run relay through the control circuit by applying voltage to the circuit. Common causes include Faulty Hybrid Powertrain Control Module 2, Hybrid Powertrain Control Module 2 harness is open or shorted, Hybrid Powertrain Control Module 2 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
- P1EF6 GMC indicates Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage.
- Common causes
- Common causes include Faulty Hybrid Powertrain Control Module 2, Hybrid Powertrain Control Module 2 harness is open or shorted, Hybrid Powertrain Control Module 2 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 P1EF6 GMC Description
What are the Possible Causes of the DTC P1EF6 GMC?
- Faulty Hybrid Powertrain Control Module 2
- Hybrid Powertrain Control Module 2 harness is open or shorted
- Hybrid Powertrain Control Module 2 circuit poor electrical connection
How to Fix the DTC P1EF6 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 P1EF6 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 P1EF6 GMC Code
1. What are the common symptoms of OBDII code P1EF6 in a GMC related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage issue?
- Common symptoms include difficulty starting the vehicle, intermittent starting problems, and possibly a check engine light.
2. What can cause the OBDII code P1EF6 related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage in a GMC?
- Possible causes include a faulty battery charger control module, issues with the ignition switch circuit, low voltage in the system, or wiring problems.
3. How can I diagnose the OBDII code P1EF6 in a GMC related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage issue?
- Diagnosis typically involves checking the battery charger control module, inspecting the ignition switch circuit, testing the voltage levels, and examining the wiring for any damage.
4. What are some repair tips for addressing the OBDII code P1EF6 in a GMC due to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage?
- Repair tips may include replacing the battery charger control module, repairing any wiring issues, ensuring proper voltage levels, and resetting the fault code after repairs are completed.
5. Is it safe to continue driving with the OBDII code P1EF6 related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage in a GMC?
- It is not recommended to drive the vehicle with this fault code present, as it can lead to potential starting issues and further electrical problems.
6. Can a DIY enthusiast fix the OBDII code P1EF6 in a GMC related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage?
- Depending on the individual's experience and knowledge, some DIY enthusiasts may be able to address this issue by following proper diagnostic and repair procedures.
7. How much does it typically cost to repair the OBDII code P1EF6 due to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage in a GMC?
- Repair costs can vary based on the specific problem, but they may range from a few hundred to over a thousand dollars, including parts and labor.
8. Can a weak battery cause the OBDII code P1EF6 related to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage in a GMC?
- Yes, a weak or failing battery can contribute to voltage issues in the system, potentially triggering this fault code.
9. Are there any recalls or technical service bulletins related to the OBDII code P1EF6 GMC issue with the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage?
- It's recommended to check with a GMC dealership or online resources for any relevant recalls or technical service bulletins related to this specific problem.
10. How long does it typically take to repair the OBDII code P1EF6 in a GMC due to the Battery Charger Control Module Ignition On/Start Switch Circuit Low Voltage?
- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem correctly.
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