P0263
From Ross-Tech Wiki
P0263/000611 - Fuel Injector #1 (N30): Contribution/Balance Fault
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
Possible Causes
- Engine controller software out of date. See special notes
- Replacement Fuel Injectors (Injector Quantity Adjustment (IMA) channels) not calibrated to engine controller
- Faulty Fuel Injector
- Low compression or engine mechanical issues
- Carbon deposits on Pressure Sensor/Glow Plugs including Cylinder specific Internal Pressure Sensor DTCs
Possible Solutions
- Check/Update Engine controller software. See special notes
- Check Injector Quantity Adjustment (IMA) Adaptation channels
- Check/Replace Faulty Fuel Injector and calibrate IMA Adaptation channels
- Check the Engine mechanical condition in addition to the installed Pressure Sensor/Glow Plugs
Special Notes
- CR TDI engine controllers had several known software issues and dealer level flash updates over the years. Check the Official Factory Repair Information if your engine controller is not listed below:
- VW:
- When found in the NAR market 2009-2014 Jetta, Golf and Beetle CBEA and CJAA 2.0L CR TDI engine see TSB: 01-14-14
- When found in the NAR market 2010-2014 Jetta, Golf and Beetle CBEA and CJAA 2.0L CR TDI engine see the Software update RVU/Recall TSB: 23O6
- A combination of P0263, P0266, P0269 and P0272 are often found stored together in CBEA and CJAA 2.0L CR TDI engines
- VW: