AutoCodes – Generic – P1A62

P1A62 Code - Starter/Generator Control Module Torque Delivered Performance

Quick Answer

The Starter/Generator Control Module (SGCM) monitors the internal torque value and compares it to the Motor Generator Unit (MGU) delivered torque value. Common causes include Faulty Motor Generator Unit (MGU), Motor Generator Unit (MGU) harness is open or shorted, Motor Generator Unit (MGU) 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: P1A62 indicates Starter/Generator Control Module Torque Delivered Performance.
Common causes: Common causes include Faulty Motor Generator Unit (MGU), Motor Generator Unit (MGU) harness is open or shorted, Motor Generator Unit (MGU) 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.

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Code Popularity 4,109

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1A62 Description

The Starter/Generator Control Module (SGCM) monitors the internal torque value and compares it to the Motor Generator Unit (MGU) delivered torque value. If the delivered torque is not within tolerance, the code will set.

OBDII Code P1A62 - Starter/Generator Control Module Torque Delivered Performance - AutoCodes.com — P1A62 Code - Starter/Generator Control Module Torque Delivered Performance

What does this mean?

What are the Possible Causes of the DTC P1A62?

Faulty Motor Generator Unit (MGU)
Motor Generator Unit (MGU) harness is open or shorted
Motor Generator Unit (MGU) circuit poor electrical connection

How to Fix the DTC P1A62?

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 P1A62 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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Need Help with the Code?

Get the P1A62 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1A62 Buick — Starter/Generator Control Module Torque Delivered Performance
P1A62 Cadillac — Starter/Generator Control Module Torque Delivered Performance
P1A62 Chevrolet — Starter/Generator Control Module Torque Delivered Performance
P1A62 GMC — Starter/Generator Control Module Torque Delivered Performance
P1A62 Saturn — Starter/Generator Control Module Torque Delivered Performance

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 P1A62 Code

1. What are the common symptoms of OBDII code P1A62?

- Common symptoms include poor acceleration, reduced power output, and difficulty starting the vehicle.

2. What causes the OBDII code P1A62 to appear?

- The code is typically triggered by issues with the starter/generator control module, such as faulty sensors or wiring problems.

3. How can I diagnose the OBDII code P1A62?

- Diagnosis involves using a diagnostic scanner to read the code, checking the starter/generator control module for faults, and inspecting related components for any issues.

4. Can a DIYer repair the OBDII code P1A62 at home?

- While some simple fixes like checking and cleaning connections may be done at home, more complex issues with the starter/generator control module may require professional help.

5. What are the repair options for OBDII code P1A62?

- Repair options may include replacing faulty sensors, repairing damaged wiring, or replacing the entire starter/generator control module if necessary.

6. Is it safe to continue driving with the OBDII code P1A62 illuminated?

- It is not recommended to drive with the code active, as it can lead to further damage to the vehicle and potentially unsafe driving conditions.

7. How much does it typically cost to repair OBDII code P1A62?

- The cost of repair can vary depending on the exact issue causing the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. How long does it take to repair OBDII code P1A62?

- The repair time can vary based on the complexity of the issue, but it may take a few hours to a full day to diagnose and fix the problem.

9. Can a weak battery or charging system cause OBDII code P1A62 to appear?

- Yes, a weak battery or charging system can contribute to issues with the starter/generator control module, potentially triggering the code.

10. Are there any preventive measures to avoid OBDII code P1A62 in the future?

- Regular maintenance of the vehicle's electrical system, including checking the battery and charging system, can help prevent issues that may lead to the appearance of OBDII code P1A62.