DTC P0743 Cadillac
TCC Solenoid Circuit Malfunction (4L30-E)
TCC Solenoid Circuit Malfunction (4L30-E)
Description
Engine started, vehicle driven with TCC commanded off, TCM high side driver closed, and the TCM detected less than 2.45v on the control circuit, or the TCM detected from 2.45-3.53 volts on the control circuit, or the TCM detected more than 4.02 volts, a
Cause and Solution
TCC solenoid control circuit is open, shorted to ground or shorted to system power
TCC solenoid is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P0743
- Brand: Cadillac