DTC 88, TDC Offset Error

This DTC indicates there is a pump timing problem. This DTC will set if TDC offset is greater than plus or minus 2 degrees, or PCM has lost memory (TDC offset is stored in PCM memory). Check injection pump timing. If okay, program TDC OFFSET into PCM. When all diagnosis and repairs are complete, clear DTCs and verify operation.

TDC OFFSET ERROR