P0602 Pontiac Code - Powertrain Control Module Programming Error
Quick Answer
This Diagnostic Trouble Code (DTC) indicates that the Powertrain Control Module (PCM) internal Electrically Erasable Programmable Read-Only Memory (EEPROM) is not flashed with any vehicle software. Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Wrong Powertrain 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
- P0602 Pontiac indicates Powertrain Control Module Programming Error.
- Common causes
- Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Wrong Powertrain 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.
Code P0602 Pontiac Description
What are the Possible Causes of the DTC P0602 Pontiac?
- Reprogram Powertrain Control Module (PCM)
- Faulty Powertrain Control Module
- Wrong Powertrain Control Module
How to Fix the DTC P0602 Pontiac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0602 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0602 Pontiac Code
1. What does the OBDII code P0602 mean for a Pontiac?
P0602 indicates a Powertrain Control Module (PCM) Programming Error, meaning the PCM may have incorrect or corrupted software or calibration data.
2. What are common symptoms of the P0602 code in a Pontiac?
Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting the vehicle, and the check engine light turning on.
3. What causes the P0602 code in a Pontiac?
The code can be caused by incorrect PCM programming, software corruption, a failed PCM, or issues during a recent PCM update or reprogramming.
4. Can I drive my Pontiac with the P0602 code?
While the vehicle may still be drivable, driving with this code can lead to further engine or transmission issues due to improper PCM operation.
5. How do I fix the P0602 code on my Pontiac?
The fix typically involves reprogramming or updating the PCM with the correct software. In some cases, replacing the PCM may be necessary.
6. Will disconnecting the battery clear the P0602 code?
Disconnecting the battery might temporarily clear the code, but it won't fix the underlying programming error.
7. How much does it cost to repair the P0602 code on a Pontiac?
The cost can vary widely but typically ranges from $100 to $500 for PCM reprogramming. PCM replacement can cost $500 to $1,200, including labor.
8. Can a faulty PCM trigger the P0602 code?
Yes, a malfunctioning PCM can cause this code if it’s unable to retain or process the programmed data correctly.
9. Do I need special equipment to fix the P0602 code?
Yes, PCM reprogramming requires specialized diagnostic tools or software, often available only at dealerships or specialized repair shops.
10. Can a P0602 code be caused by a wiring issue?
While rare, damaged wiring or connectors affecting the PCM's communication can contribute to programming errors and trigger this code.
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