AutoCodes – Oldsmobile – P1640 Oldsmobile

P1640 Oldsmobile Code - Output Driver Module 'A' Error Conditions

Quick Answer

With the engine running, brakes off, the Powertrain Control Module (PCM) receives an improper voltage level on the ODM 'A' fault line, condition met for 5 seconds. Common causes include Faulty Output Driver Module, Output Driver Module harness is open or shorted, Output Driver Module 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: P1640 Oldsmobile indicates Output Driver Module 'A' Error Conditions.
Common causes: Common causes include Faulty Output Driver Module, Output Driver Module harness is open or shorted, Output Driver Module 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 723

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 Jun 06, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1640 Oldsmobile Description

With the engine running, brakes off, the Powertrain Control Module (PCM) receives an improper voltage level on the ODM 'A' fault line, condition met for 5 seconds.

OBDII Code P1640 Oldsmobile - Output Driver Module 'A' Error Conditions - AutoCodes.com — P1640 Oldsmobile Code - Output Driver Module 'A' Error Conditions

What does this mean?

What are the Possible Causes of the DTC P1640 Oldsmobile?

Faulty Output Driver Module
Output Driver Module harness is open or shorted
Output Driver Module circuit poor electrical connection

How to Fix the DTC P1640 Oldsmobile?

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 P1640 Oldsmobile 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.

Need more information about the P1640 Oldsmobile code?

Need more information on how to fix the P1640 Oldsmobile code? Get Access to Factory Service Manuals

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Get the P1640 Oldsmobile 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 P1640 Oldsmobile Code

1. What are the common symptoms of OBDII code P1640 in an Oldsmobile related to the Output Driver Module 'A' Error Conditions?

- Common symptoms include issues with the vehicle's transmission shifting erratically, the engine stalling, or the vehicle not starting.

2. What are the possible causes of OBDII code P1640 in an Oldsmobile?

- The code P1640 in an Oldsmobile is often triggered by a faulty Output Driver Module or issues with the wiring harness connected to it.

3. How can I diagnose the OBDII code P1640 in my Oldsmobile?

- Diagnosing code P1640 usually involves using a diagnostic scanner to retrieve the specific error codes, checking the wiring harness for any visible damage, and testing the Output Driver Module for proper functioning.

4. Can a DIY enthusiast repair OBDII code P1640 in an Oldsmobile?

- Repairing code P1640 may require advanced automotive knowledge and tools. It is recommended to seek professional help to diagnose and fix this issue accurately.

5. Is it safe to drive my Oldsmobile with OBDII code P1640 present?

- It is not recommended to drive your vehicle with code P1640 present, as it can lead to further damage and potential safety hazards on the road.

6. How much does it typically cost to repair OBDII code P1640 in an Oldsmobile?

- The cost of repairing code P1640 in an Oldsmobile can vary depending on the extent of the damage and the specific repairs needed. It is advisable to get a professional assessment for an accurate estimate.

7. Can resetting the OBDII system clear code P1640 in an Oldsmobile?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code P1640 is not addressed, the code is likely to reappear.

8. Are there any preventive measures to avoid OBDII code P1640 in an Oldsmobile?

- Regular maintenance checks, such as inspecting the wiring harness and ensuring proper functioning of the Output Driver Module, can help prevent issues that trigger code P1640.

9. What are the risks of ignoring OBDII code P1640 in an Oldsmobile?

- Ignoring code P1640 can lead to more severe damage to your vehicle's transmission system, engine, or other critical components, resulting in costly repairs.

10. Can OBDII code P1640 in an Oldsmobile be related to other underlying issues?

- Yes, code P1640 in an Oldsmobile can sometimes be related to other problems such as issues with the powertrain control module (PCM) or other electronic control modules in the vehicle.