P1639 Chrysler Code - TCM Internal CAN 2 RAM Performance
Quick Answer
The P1639 Chrysler code refers to a transmission control module (TCM) internal CAN 2 RAM performance issue. Common causes include Faulty TCM internal components, Electrical issues in the CAN 2 network, Corroded or damaged wiring harness. 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
- P1639 Chrysler indicates TCM Internal CAN 2 RAM Performance.
- Common causes
- Common causes include Faulty TCM internal components, Electrical issues in the CAN 2 network, Corroded or damaged wiring harness.
- 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 P1639 Chrysler Description
The P1639 Chrysler code refers to a transmission control module (TCM) internal CAN 2 RAM performance issue. The TCM is a crucial component of the vehicle's transmission system, responsible for controlling gear shifts, torque converter lockup, and other transmission functions. The CAN (Controller Area Network) is a communication network that allows various modules in the vehicle, including the TCM, to exchange data.
Common Causes of P1639 Chrysler
- Faulty TCM internal components
- Electrical issues in the CAN 2 network
- Corroded or damaged wiring harness
- Software glitches or programming errors
- Voltage irregularities in the TCM
Symptoms of P1639 Chrysler
- Erratic shifting behavior
- Harsh gear changes
- Transmission slipping or hesitation
- Transmission warning light illuminated on the dashboard
- Reduced fuel efficiency
How to Fix P1639 Chrysler
- Diagnose the specific cause of the TCM internal CAN 2 RAM performance issue using a diagnostic scanner.
- Inspect the wiring harness and connectors for any signs of damage or corrosion.
- Check the TCM for any internal faults or failures, and replace if necessary.
- Update the TCM software to the latest version to address any programming errors.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1639 Chrysler
The typical repair cost for addressing a P1639 Chrysler code can range from $200 to $500, depending on the specific cause of the issue and the labor rates at the repair shop. This estimate includes the cost of parts, such as a new TCM if needed, as well as labor for diagnosis and repair. It's essential to factor in additional costs for diagnostic time and any other potential repairs that may be necessary. Keep in mind that labor rates can vary based on location and the type of repair facility, so it's advisable to obtain quotes from multiple shops for a more accurate estimate.
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