P1639 Code - Vehicle ID Block Corrupted Or Not Programmed
Quick Answer
The P1639 diagnostic trouble code indicates that the Vehicle ID Block in the vehicle's Engine Control Module (ECM) has become corrupted or has not been programmed properly. Common causes include Faulty ECM programming, Electrical issues affecting the Vehicle ID Block, Software corruption within the ECM. 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 indicates Vehicle ID Block Corrupted Or Not Programmed.
- Common causes
- Common causes include Faulty ECM programming, Electrical issues affecting the Vehicle ID Block, Software corruption within the ECM.
- 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 Description
The P1639 diagnostic trouble code indicates that the Vehicle ID Block in the vehicle's Engine Control Module (ECM) has become corrupted or has not been programmed properly. The Vehicle ID Block is a unique identifier assigned to a specific vehicle, which is used by the ECM to communicate with other modules and systems in the vehicle. When this block is corrupted or missing, it can lead to various issues with the vehicle's performance and efficiency.
Common Causes of P1639
- Faulty ECM programming
- Electrical issues affecting the Vehicle ID Block
- Software corruption within the ECM
- Damage to the ECM due to water exposure or physical impact
- Aftermarket modifications interfering with the Vehicle ID Block
Symptoms of P1639
- Check Engine Light illuminated
- Engine running rough or misfiring
- Decreased fuel efficiency
- Difficulty starting the vehicle
- Loss of power while driving
How to Fix P1639
- Retrieve the trouble codes using a diagnostic scanner to confirm P1639.
- Inspect the Vehicle ID Block and ECM connections for any signs of damage or corrosion.
- Perform a software update or reprogramming of the ECM to restore the Vehicle ID Block.
- Replace the ECM if it is determined to be faulty or damaged beyond repair.
- Clear the trouble codes, reset the ECM, and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1639
The cost of repairing a P1639 code can vary depending on the extent of the issue and the specific make and model of the vehicle. On average, the repair costs for addressing a Vehicle ID Block corruption or programming issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from different shops to determine the most cost-effective option for your specific situation.
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Code P1639 Information for Specific Makes
- P1639 BMW — Throttle Valve Position Control Throttle Stuck Permanently
- P1639 Buick — PCM 5 Volt Reference Voltage Circuit Condition
- P1639 Cadillac — PCM 5 Volt Reference Voltage Circuit Condition
- P1639 Chevrolet — PCM 5 Volt Reference Voltage Circuit Condition
- P1639 Chrysler — TCM Internal CAN 2 RAM Performance
- P1639 Dodge — TCM Internal CAN 2 RAM Performance
- P1639 Ford — Vehicle ID Block Not Programmed Or Is Corrupt
- P1639 GMC — PCM 5 Volt Reference Voltage Circuit Condition
- P1639 Honda — Sensor Supply Voltage Circuit 2 Malfunction
- P1639 Hyundai — Engine Control Module Malfunction
- P1639 Isuzu — Reference Voltage 2 Circuit Fault
- P1639 Jeep — TCM Internal CAN 2 RAM Performance
- P1639 Lincoln — Vehicle ID Block Corrupted or Not Programmed
- P1639 Mazda — PCM Program Error
- P1639 Mercury — Vehicle ID Block Corrupted or Not Programmed
- P1639 MINI — Throttle Valve Position Control Throttle Stuck Permanently
- P1639 Saturn — PCM 5 Volt Reference Voltage Circuit Condition
- P1639 Volkswagen — Accelerator Pedal Position Sensor 1/2 Range Performance
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