DTC P0748 Cadillac

Pressure Control Solenoid Circuit Malfunction (4L80-E)

Pressure Control Solenoid Circuit Malfunction (4L80-E)

Description

Engine started, system voltage over 10.0v, and the PCM detected an unexpected voltage condition on the Pressure Control solenoid feedback circuit for 100 ms during the CCM continuous test period.

Cause and Solution

PC solenoid connector is damaged, open or shorted
PC solenoid control circuit is open or shorted to ground
Pressure control solenoid is damaged or it has failed

Video Guide

Duration: PT3M55S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0748
  • Brand: Cadillac
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