Generic OBD-II OBD-II Error Code P0742

Generic OBD-II OBD-II Major Torque Converter

Model: OBD-II | Code: P0742

Applicable Systems
OBD-II

Symptoms

A solenoid or actuator is stuck in one position. The system cannot control the component properly.

Possible Causes

  • Solenoid mechanically seized due to debris
  • Electrical fault preventing solenoid actuation
  • Hydraulic pressure preventing movement

Troubleshooting Steps

  1. Step 1: Test solenoid electrical resistance and operation
    Solenoid electrically functional
  2. Step 2: Inspect for mechanical binding or debris
    Mechanical obstruction removed
  3. Step 3: Check hydraulic pressure and flow to the component
    Pressure and flow within range

How to Reset

To reset: Clear the DTC after freeing or replacing the stuck component.

Source: SAE J2012 OBD-II Diagnostic Trouble Codes, SAE International

Category: OBD-II