P1A67 Buick 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 Buick 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 Buick 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 Buick?
- Faulty
- harness is open or shorted
- circuit poor electrical connection
How to Fix the DTC P1A67 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 P1A67 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 P1A67 Buick Code
1. What does OBDII code P1A67 mean on a Buick?
Code P1A67 indicates that the Starter/Generator Control Module (SGCM) has detected incorrect configuration or options settings.
2. What are the common symptoms of code P1A67 on a Buick?
Symptoms may include the check engine light turning on, reduced hybrid system performance, or the vehicle failing to transition between electric and gasoline modes.
3. What causes code P1A67 on a Buick?
This code is typically caused by incorrect programming or configuration of the Starter/Generator Control Module, software issues, or incompatible components.
4. Can a faulty Starter/Generator Control Module cause code P1A67?
Yes, a malfunctioning or improperly programmed Starter/Generator Control Module could trigger this code.
5. How is code P1A67 diagnosed?
A technician will use a scan tool to verify the code, check module configuration settings, and inspect for software updates or communication issues within the hybrid system.
6. Can I drive my Buick with code P1A67?
While the vehicle may still be drivable, it’s best to address the issue promptly to avoid potential damage to the hybrid system or reduced performance.
7. How can code P1A67 be fixed?
Fixes may include reprogramming or updating the Starter/Generator Control Module software, verifying module compatibility, or replacing the module if necessary.
8. Is code P1A67 specific to hybrid Buick models?
Yes, this code is typically associated with hybrid Buick models that use a Starter/Generator Control Module.
9. Can a dead battery cause code P1A67?
A dead or weak hybrid battery could indirectly contribute to this code if it affects the module's ability to function properly, but it is not a primary cause.
10. How much does it cost to fix code P1A67 on a Buick?
Repair costs can vary, but reprogramming the module may cost $100-$200, while replacing the module could cost $500 or more, depending on labor and parts.
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