P1A67 GMC Code - Starter/Generator Control Module Options Incorrect
Quick Answer
The purpose of the Accessory Power Module (APM), integral to the Starter/Generator Control Module (SGCM), is to control the amount and direction of energy flowing between the 42 V DC and 14 V DC buses via the APM, bi-directional 42 V DC to 14 V DC converter. Common causes include Faulty, harness is open or shorted, 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
- P1A67 GMC indicates Starter/Generator Control Module Options Incorrect.
- Common causes
- Common causes include Faulty, harness is open or shorted, 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 P1A67 GMC Description
When the APM Power Conversion direction is set to a value of 42 V to 14 V, the energy will flow from the 42 V DC Bus to the 14 V DC Bus via the APM. When the Service Charge or jump starting is requested, the energy will flow from the 14 V DC Bus to the 42 V DC Bus via the APM. When the APM Power Conversion direction is set to a value of Off, the APM will be turned off, and not consume or transfer any power. When the APM Power Conversion direction is set to a value of Invalid, the energy will flow from the 42 V DC Bus to the 14 V DC Bus via the APM.
What are the Possible Causes of the DTC P1A67 GMC?
- Faulty
- harness is open or shorted
- circuit poor electrical connection
How to Fix the DTC P1A67 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 P1A67 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 P1A67 GMC Code
1. What are common symptoms of OBDII code P1A67 in a GMC related to Starter/Generator Control Module Options Incorrect?
The common symptoms of code P1A67 may include issues with starting the vehicle, poor acceleration, reduced fuel efficiency, and potential illumination of the check engine light.
2. What are some possible causes of OBDII code P1A67 GMC error?
Some potential causes of the P1A67 code include a faulty starter/generator control module, damaged wiring or connectors in the control module circuit, software issues, or a malfunctioning hybrid powertrain system.
3. How can I diagnose the OBDII code P1A67 in my GMC?
Diagnosing the P1A67 code typically involves using an OBDII scanner to retrieve the specific error code, inspecting the starter/generator control module and associated wiring for any visible damage or loose connections, and performing further diagnostic tests as needed.
4. Can I continue driving my GMC with the OBDII code P1A67 present?
It is not recommended to continue driving your GMC with the P1A67 code unresolved, as it can lead to potential issues with the vehicle's starting and charging system, ultimately affecting its performance and safety.
5. How can I repair OBDII code P1A67 related to Starter/Generator Control Module Options Incorrect?
Repairing the P1A67 code may involve replacing the faulty starter/generator control module, repairing or replacing damaged wiring or connectors, updating software as needed, and performing a thorough system reset to clear the error code.
6. Is it possible to reset the OBDII code P1A67 in a GMC without fixing the underlying issue?
While you can clear the error code temporarily by resetting the vehicle's computer system, the P1A67 code is likely to reappear if the root cause, such as a faulty control module, remains unresolved.
7. Are there any DIY tips for addressing OBDII code P1A67 GMC error?
DIY tips for addressing the P1A67 code may include checking and tightening any loose wiring connections, ensuring proper battery connections, and inspecting the control module for visible signs of damage before seeking professional assistance.
8. How long does it typically take to repair OBDII code P1A67 related to Starter/Generator Control Module Options Incorrect?
The repair time for the P1A67 code can vary depending on the specific cause of the issue, the availability of replacement parts, and the expertise of the technician. It is advisable to consult a professional for an accurate estimate.
9. Can a faulty battery or alternator trigger the OBDII code P1A67 in a GMC?
While a faulty battery or alternator may not directly trigger the P1A67 code, issues with the charging system can contribute to related problems that may lead to the appearance of the error code. It is essential to address all potential issues to resolve the code effectively.
10. Is it necessary to visit a dealership for OBDII code P1A67 GMC diagnosis and repair?
While visiting a dealership with specialized knowledge and equipment can be beneficial for diagnosing and repairing the P1A67 code, independent mechanics and automotive repair shops with experience in hybrid vehicle systems may also effectively address the issue.
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