P1639 Dodge Code - TCM Internal CAN 2 RAM Performance
Quick Answer
When the P1639 code appears on a Dodge vehicle, it indicates an issue with the Transmission Control Module (TCM) Internal CAN 2 RAM Performance. Common causes include Faulty TCM, Defective CAN 2 RAM, Wiring or connection issues. 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 Dodge indicates TCM Internal CAN 2 RAM Performance.
- Common causes
- Common causes include Faulty TCM, Defective CAN 2 RAM, Wiring or connection issues.
- 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 Dodge Description
When the P1639 code appears on a Dodge vehicle, it indicates an issue with the Transmission Control Module (TCM) Internal CAN 2 RAM Performance. The TCM is responsible for controlling the transmission functions in the vehicle, such as shifting gears and managing torque converter lockup. The CAN 2 RAM refers to the Controller Area Network 2 Random Access Memory, which is a crucial component for storing and processing data related to the transmission system.
Common Causes of P1639 Dodge
- Faulty TCM
- Defective CAN 2 RAM
- Wiring or connection issues
- Software glitches or malfunctions
- Electrical problems within the transmission system
Symptoms of P1639 Dodge
- Rough or jerky shifting
- Delayed gear changes
- Transmission slipping
- Illuminated check engine light
- Reduced fuel efficiency
How to Fix P1639 Dodge
- Diagnose the issue using a diagnostic scan tool to confirm the P1639 code and identify the specific cause.
- Inspect the TCM, CAN 2 RAM, wiring, and connections for any visible damage or defects.
- Test the TCM and CAN 2 RAM functionality to determine if they are operating correctly.
- Replace any faulty components, such as the TCM or CAN 2 RAM, if necessary.
- Clear the code and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1639 Dodge
The typical repair costs for addressing the P1639 code on a Dodge vehicle can range from $200 to $800, depending on the specific cause of the issue and the cost of parts and labor. It's essential to factor in the diagnosis time and labor rates at auto repair shops, which can vary based on location, vehicle make and model, and engine type. Rates typically range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It's recommended to obtain local quotes for a more accurate estimate.
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