Engine-CodesChevrolet – P0801 Chevrolet

P0801 Chevrolet Code - Reverse Inhibit Solenoid Control Circuit

Quick Answer

The P0801 code for Chevrolet vehicles indicates a problem with the Reverse Inhibit Solenoid Control Circuit. Common causes include Faulty reverse inhibit solenoid, Wiring issues or shorts in the control circuit, Faulty transmission 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
P0801 Chevrolet indicates Reverse Inhibit Solenoid Control Circuit.
Common causes
Common causes include Faulty reverse inhibit solenoid, Wiring issues or shorts in the control circuit, Faulty transmission 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 17, 2024
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Code P0801 Chevrolet Description

The P0801 code for Chevrolet vehicles indicates a problem with the Reverse Inhibit Solenoid Control Circuit. This solenoid is responsible for controlling the transmission's ability to shift into reverse gear. When this circuit malfunctions, it can lead to issues with the vehicle's ability to engage reverse gear properly. This can result in difficulty or inability to shift into reverse, which can be a safety concern as it affects the vehicle's maneuverability.

OBDII Code P0801 Chevrolet - Reverse Inhibit Solenoid Control Circuit
P0801 Chevrolet Code - Reverse Inhibit Solenoid Control Circuit

Common Causes of P0801 Chevrolet

  1. Faulty reverse inhibit solenoid
  2. Wiring issues or shorts in the control circuit
  3. Faulty transmission control module
  4. Corrosion or damage to electrical connectors
  5. Low transmission fluid levels

Symptoms of P0801 Chevrolet

  1. Difficulty shifting into reverse gear
  2. Inability to engage reverse gear
  3. Delayed response when shifting into reverse
  4. Illumination of the Check Engine Light
  5. Transmission slipping or jerking when attempting to shift into reverse

How to Fix P0801 Chevrolet

  1. Diagnose the issue by using a scan tool to retrieve the fault code and inspecting the reverse inhibit solenoid and control circuit.
  2. Check the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the reverse inhibit solenoid for proper operation and replace if faulty.
  4. Clear the fault code from the vehicle's computer using the scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission shifts into reverse smoothly.

Cost to Fix P0801 Chevrolet

The cost of repairing a P0801 code for a Chevrolet vehicle can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair cost for this issue can range from $150 to $400, including parts and labor. It's important to note that diagnostic time and labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate based on your location and vehicle model.

When is the Code Detected?

When the Reverse Inhibit solenoid energizes, the operator can shift the transmission into reverse. The Powertrain Control Module (PCM) enables the Reverse Inhibit solenoid whenever vehicle speed is below 5 mph. When the vehicle speed is above 5 mph, the PCM de-energizes the solenoid, which prevents the operator from shifting the transmission into reverse.

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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.

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