Resetting your chevrolet cruze’s code 89: a simple step-by-step guide

Are you facing the dreaded Code 89 on your Chevrolet Cruze? Don’t panic! This comprehensive guide will provide you with step-by-step instructions on how to reset the code and get your vehicle back on the road.

What is Code 89?

Code 89 is a diagnostic trouble code (DTC) that indicates a problem with the transmission control module (TCM) in your Chevrolet Cruze. The TCM is responsible for controlling the transmission’s shifting and operation. When a problem occurs, the TCM sets Code 89 to alert you to the issue.

Causes of Code 89

Several factors can trigger Code 89 in your Chevrolet Cruze, including:

• Faulty transmission control module (TCM)
• Transmission fluid problems (low level or contamination)
• Electrical issues in the transmission harness
• Transmission mechanical problems

Symptoms of Code 89

If your Chevrolet Cruze displays Code 89, you may experience the following symptoms:

• Transmission slipping or shuddering
• Difficulty shifting gears
• Vehicle stalling or refusing to move
• Check Engine light illuminated

How to Reset Code 89

There are two primary methods to reset Code 89 on your Chevrolet Cruze:

Method 1: Using a Code Reader

Materials:

• OBD-II code reader

Steps:

1. Connect the code reader to the OBD-II port under the dashboard.
2. Turn the ignition key to the “On” position (without starting the engine).
3. Select the “Read Codes” option on the code reader.
4. Identify Code 89 in the list of displayed codes.
5. Select the “Clear Codes” option on the code reader.
6. Turn the ignition key to the “Off” position and disconnect the code reader.

Method 2: Disconnecting the Battery

Materials:

• Wrench or socket set

Steps:

1. Open the hood and locate the negative battery terminal.
2. Use the wrench or socket set to loosen the nut holding the negative terminal cable.
3. Disconnect the negative cable from the battery.
4. Wait for at least 10 minutes to allow the system to discharge.
5. Reconnect the negative cable to the battery.
6. Tighten the nut on the negative terminal.
7. Start the engine and check if Code 89 has been cleared.

Troubleshooting After Reset

After resetting Code 89, it is crucial to test drive your Chevrolet Cruze and observe any changes. If the code reappears or the symptoms persist, additional troubleshooting may be necessary. Consider the following steps:

• Check the transmission fluid level and condition.
• Inspect the transmission harness for any loose or damaged connections.
• Have the transmission scanned by a professional mechanic for further diagnostics.

Additional Information

• Code 89 can also be reset by performing a “TCM reset” procedure. However, this procedure requires specialized equipment and should be performed by a qualified mechanic.
• If you are unable to reset Code 89 or the symptoms continue, do not hesitate to seek professional assistance.

Information You Need to Know

Q: Can I drive my Chevrolet Cruze with Code 89?
A: It is not recommended to drive with Code 89 as it can lead to further transmission damage.

Q: How often should I reset Code 89?
A: You should only reset Code 89 after addressing the underlying cause of the problem.

Q: Can I clear Code 89 with a jumper wire?
A: No, using a jumper wire to clear codes is not recommended and can damage the electrical system of your Chevrolet Cruze.