Engine-CodesChevrolet – P1A68 Chevrolet

P1A68 Chevrolet Code - Starter/Generator Control Module Programming Read Only Memory

Quick Answer

The P1A68 diagnostic trouble code (DTC) for Chevrolet refers to an issue with the Starter/Generator Control Module Programming Read Only Memory. Common causes include Faulty programming of the ROM in the Starter/Generator Control Module, Electrical wiring issues, Malfunctioning Starter/Generator Control Module. 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
P1A68 Chevrolet indicates Starter/Generator Control Module Programming Read Only Memory.
Common causes
Common causes include Faulty programming of the ROM in the Starter/Generator Control Module, Electrical wiring issues, Malfunctioning Starter/Generator Control Module.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1A68 Chevrolet Description

The P1A68 diagnostic trouble code (DTC) for Chevrolet refers to an issue with the Starter/Generator Control Module Programming Read Only Memory. This code indicates that there is a problem with the programming of the module's read-only memory (ROM), which is responsible for controlling the starter and generator functions in the vehicle. The Starter/Generator Control Module plays a crucial role in starting the engine and generating electricity to power various electrical components in the vehicle.

OBDII Code P1A68 Chevrolet - Starter/Generator Control Module Programming Read Only Memory
P1A68 Chevrolet Code - Starter/Generator Control Module Programming Read Only Memory

Common Causes of P1A68 Chevrolet

  1. Faulty programming of the ROM in the Starter/Generator Control Module
  2. Electrical wiring issues
  3. Malfunctioning Starter/Generator Control Module
  4. Communication error between the module and other vehicle systems
  5. Battery or charging system issues

Symptoms of P1A68 Chevrolet

  1. Difficulty starting the vehicle
  2. Engine cranks but does not start
  3. Dimming or flickering lights
  4. Weak or dead battery
  5. Dashboard warning lights related to the charging system

How to Fix P1A68 Chevrolet

  1. Diagnose the issue using a diagnostic scanner to retrieve the specific DTC and identify the root cause.
  2. Inspect the wiring and connections related to the Starter/Generator Control Module for any damage or corrosion.
  3. Verify the programming of the ROM in the module and reprogram if necessary.
  4. Replace the Starter/Generator Control Module if it is found to be faulty.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1A68 Chevrolet

The typical repair costs for addressing a P1A68 Chevrolet code can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. Rates may be higher in metropolitan areas or at dealerships, while independent shops may offer more competitive pricing. For a more accurate estimate, it is recommended to contact local auto repair shops for quotes based on your vehicle make and model.

Need more information about the P1A68 Chevrolet code?

Need more information on how to fix the P1A68 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A68 Chevrolet code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1A68 Chevrolet Code

1. What does the OBDII code P1A68 mean on a Chevrolet?

P1A68 indicates an issue with the Starter/Generator Control Module Programming Read Only Memory (PROM), which may involve corrupted or invalid software.

2. What are the common symptoms of the P1A68 code?

Symptoms may include illuminated check engine light, reduced engine performance, failure to start, or issues with hybrid system functionality if applicable.

3. What causes the P1A68 code to trigger?

The code is usually triggered by a software issue in the Starter/Generator Control Module, such as corrupted programming, improper updates, or hardware failure in the module.

4. Can the P1A68 code cause drivability issues?

Yes, it can cause problems such as poor engine response, lack of hybrid system operation, or failure to start depending on the severity of the issue.

5. How is the P1A68 code diagnosed?

A technician will use a scan tool to verify the code, check for related software or module issues, and ensure the Starter/Generator Control Module is properly updated and functional.

6. How do you fix the P1A68 code on a Chevrolet?

The issue is typically resolved by reprogramming or updating the Starter/Generator Control Module software using a GM-approved software update tool.

7. Can hardware failure cause the P1A68 code?

Yes, although less common, a failure in the Starter/Generator Control Module itself might also cause this code.

8. Do you need to replace the Starter/Generator Control Module for P1A68?

Replacement is only necessary if reprogramming or software updates fail to resolve the issue or if the module is physically damaged.

9. Can I drive my Chevrolet with the P1A68 code?

It’s not recommended to drive with this code active, as it could affect engine or hybrid system performance and worsen the issue.

10. How much does it cost to repair the P1A68 code?

Repair costs vary, but reprogramming the module typically costs $100–$200. If the module needs replacement, the cost could exceed $1,000 including parts and labor.

Discuss the causes and fixes for P1A68 Chevrolet OBDII Code

Code P1A68 Chevrolet comments

No comments found for this page.