P0864 Chrysler Code - TCM Communication Circuit Range/Performance
Quick Answer
The P0864 Chrysler code refers to a fault in the Transmission Control Module (TCM) communication circuit, indicating that there is a range/performance issue. Common causes include Faulty TCM, Wiring or connector issues in the TCM communication circuit, Low battery voltage. 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
- P0864 Chrysler indicates TCM Communication Circuit Range/Performance.
- Common causes
- Common causes include Faulty TCM, Wiring or connector issues in the TCM communication circuit, Low battery voltage.
- 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 P0864 Chrysler Description
The P0864 Chrysler code refers to a fault in the Transmission Control Module (TCM) communication circuit, indicating that there is a range/performance issue. The TCM plays a crucial role in controlling the transmission system in the vehicle, including gear shifting, torque converter lockup, and other functions. When this communication circuit is not functioning properly, it can lead to erratic transmission behavior, poor performance, and potentially even transmission failure.
Common Causes of P0864 Chrysler
- Faulty TCM
- Wiring or connector issues in the TCM communication circuit
- Low battery voltage
- Software or programming issues in the TCM
- Faulty transmission sensors
Symptoms of P0864 Chrysler
- Erratic shifting
- Delayed engagement when shifting gears
- Harsh shifting or jerking movements
- Transmission slipping
- Illumination of the Check Engine light
How to Fix P0864 Chrysler
- Diagnose the specific cause of the communication circuit issue using a diagnostic scanner.
- Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
- Test the battery voltage and ensure it is within the proper range.
- Update the TCM software or reprogram it if needed.
- Replace the TCM if it is determined to be faulty.
Cost to Fix P0864 Chrysler
The cost of repairing a P0864 Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost for this type of transmission communication circuit problem can range from $200 to $800, including parts and labor. Keep in mind that additional diagnostic time may be required to pinpoint the exact cause of the fault, which could increase the overall repair cost. It's recommended to get quotes from different auto repair shops to compare prices and find the best option for your budget.
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