What Does the P2690 Code Mean?
The P2690 OBD-II code indicates that there is a compatibility issue with the data from the fuel injector for cylinder 5. Specifically, it means that the calibration data of the injector does not match what the engine control module (PCM) expects, which can lead to performance issues.
What Causes the P2690 Code?
This code is typically caused by a scenario where a fuel injector has been replaced but its calibration number has not been properly registered with the PCM and the Glow Plug Control Module (GPCM). Every fuel injector has a unique calibration number printed on its side, and this number needs to be entered into the vehicle’s computer system for proper functionality.
What Are the Symptoms of the P2690 Code?
Common symptoms associated with the P2690 code include:
- Decreased engine performance
- The engine may not start properly
How Serious Is the P2690 Code?
The P2690 code is classified as urgent. This means immediate action is necessary, as neglecting this issue can lead to severe engine damage or compromise the safety of the driver and passengers.
How to Diagnose the P2690 Code
Diagnosing the P2690 code requires the use of an OBD-II scanner to confirm the presence of the code. After confirming, a mechanic should:
- Inspect the fuel injectors and their calibration numbers
- Check if the injectors have been programmed to the PCM and GPCM
- Perform a visual inspection of the wiring and connections related to the injectors
Common Repairs for the P2690 Code
Common repairs that may be needed to resolve the P2690 code include:
- Reprogramming the fuel injectors to the PCM and GPCM
- Replacing the fuel injector if it is faulty or incompatible
How Much Does It Cost to Fix the P2690 Code?
The cost to fix the P2690 code can vary significantly based on labor rates and the specific repairs needed. On average, reprogramming the fuel injectors may cost between $100 to $200, while replacing a fuel injector can range from $300 to $600, depending on the make and model of the vehicle.
Can I Fix the P2690 Code Myself?
While some vehicle owners may have the skills to diagnose and reprogram the fuel injectors, it is generally advised to seek professional help for the P2690 code. Proper diagnosis and programming require specialized tools and experience to ensure that the vehicle’s performance is not adversely affected.
