Engine-CodesGeneric – P0862

P0862 Code - Gear Shift Control Module 'A' Communication Circuit High

Quick Answer

The P0862 diagnostic trouble code (DTC) indicates that there is a malfunction in the communication circuit of the gear shift control module 'A' in the vehicle. Common causes include Damaged wiring or connectors in the communication circuit, Faulty gear shift control module, Issues with the 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
P0862 indicates Gear Shift Control Module 'A' Communication Circuit High.
Common causes
Common causes include Damaged wiring or connectors in the communication circuit, Faulty gear shift control module, Issues with the 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 16, 2024
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Code P0862 Description

The P0862 diagnostic trouble code (DTC) indicates that there is a malfunction in the communication circuit of the gear shift control module 'A' in the vehicle. The gear shift control module is responsible for controlling the transmission gear shifting process in automatic transmission vehicles. When this communication circuit is reading high, it means that there is an issue with the signal being sent or received by the module.

OBDII Code P0862 - Gear Shift Control Module 'A' Communication Circuit High
P0862 Code - Gear Shift Control Module 'A' Communication Circuit High

Common Causes of P0862

  1. Damaged wiring or connectors in the communication circuit
  2. Faulty gear shift control module
  3. Issues with the transmission control module
  4. Electrical interference or poor connections
  5. Water or corrosion damage to the components

Symptoms of P0862

  1. Erratic shifting behavior
  2. Delayed gear changes
  3. Transmission slipping
  4. Transmission getting stuck in a specific gear
  5. Illumination of the Check Engine Light

How to Fix P0862

  1. Begin by conducting a thorough inspection of the wiring and connectors in the communication circuit to check for any damage or corrosion.
  2. Test the gear shift control module and transmission control module to determine if they are functioning correctly.
  3. Clear the DTC and reset the system to see if the code returns, indicating a persistent issue.
  4. Replace any damaged wiring, connectors, or faulty modules as needed.
  5. Perform a final test drive to ensure that the transmission is operating smoothly and that the code has been successfully resolved.

Cost to Fix P0862

The typical repair costs for addressing a P0862 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair could range from $200 to $500, while labor costs could add an additional $100 to $300. Overall, the total repair cost for resolving a P0862 code could range from $300 to $800. It's important to note that these estimates are rough averages, and actual costs may vary based on factors such as the vehicle make and model, the location of the repair shop, and the extent of the repairs required. It is recommended to obtain quotes from local auto repair shops to get a more accurate cost estimate for addressing this issue.

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Code P0862 Information for Specific Makes

  • P0862 Dodge — Gear Shift Control Module 'A' Communication Circuit High
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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