P0969 – Pressure control (PC) solenoid C -control circuit range/ performance

By Contact Me)
Last Updated 2016-09-06
ASE Master Tech
Code | Fault Location | Probable Cause |
---|---|---|
P0969 | Pressure control (PC) solenoid C -control circuit range/ performance (Buy Part On Amazon) | Wiring, poor connection, pressure control solenoid, ECM/PCM/TCM |
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What Does Code P0969 Mean?
If your vehicle has exhibited an illuminated malfunction indicator lamp (MIL), and has stored a code P0969, it means that the powertrain control module (PCM) has detected a problem with a specific electronic pressure control solenoid (EPCS) or solenoid circuit for the automatic transmission. The designation C usually refers to a tertiary EPCS/circuit. This code is used exclusively in vehicles equipped with automatic transmissions. Automatic transmissions in OBD-II vehicles are controlled electronically by the PCM or a stand-alone controller, called a transmission control module (TCM). Most transmission controllers are integrated into the PCM. The major components of the transmission control system are:- Control module
- Controller area network (CAN)
- Numerous sensors and solenoids
- A powerful hydraulic pump
- One or more electronic pressure control solenoid/s
- An assortment of shift solenoids
- A torque converter clutch solenoid
- A hydraulic valve body


What are the common causes of code P0969 ?
- Transmission (front) pump failure
- Open or shorted wiring or connectors in the EPCS circuit
- Defective electronic pressure control solenoid
- Low or subpar transmission fluid
What are the symptoms of code P0969 ?
- Delayed transmission engagement
- Erratic transmission shifting
- The transmission may fail to shift
- Harsh transmission shifting
- A loud whining noise from the transmission torque converter/bell housing area
How do you troubleshoot code P0969 ?
To accurately diagnose a code P0969, you will need a diagnostic scanner (scan tool), a digital volt/ohmmeter (DVOM), a transmission pressure gauge, and vehicle factory digrams and information (All Data DIY). I like to begin my diagnosis with a visual inspection of transmission control wiring and connectors. Remember that a large segment of the transmission control harness is inside the transmission hosing.

Codes Related to P0969
- P0700 Transmission Control System Malfunction
- P0701 Transmission Control System Range/Performance
- P0702 Transmission Control System Electrical
- P0745 Pressure Control Solenoid Malfunction
- P0746 Pressure Control Solenoid Performance or Stuck Off
- P0747 Pressure Control Solenoid Stuck On
- P0748 Pressure Control Solenoid Electrical
- P0749 Pressure Control Solenoid Intermittent
- Any other transmission control codes