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Engine Code

(P0748) TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

Diagnostic Test
1. DTC PRESENT IN TRANSMISSION CONTROL MODULE (TCM)

This is an informational DTC letting you know that a DTC(s) is stored in the Transmission Control Module. Using the DRBIII, read the Transmission Controller DTC and refer to the Transmission Category and perform the appropriate symptom. Erase this DTC from the PCM after all Transmission DTC(s) have been repaired.
PCM Diagnostic Information complete.
Continue
Test Complete.