2012 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

P268A-ECU INTERNAL FAILURE

P268A-ECU INTERNAL FAILURE

For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

INJETOR QUANTITY ADJUSTMENT NOT PROGRAMMED INTO THE POWERTRAIN CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).


DTC IS ACTIVE
1. This DTC will set if the PCM or a Fuel Injector was replaced and the Injector Quantity Adjustment function was not performed.


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Yes