Initially at power-up, then every 10 seconds thereafter. The solenoid circuits will also be tested immediately after a gear ratio or a pressure switch error is detected.
Three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio or pressure switch error.
Related relay DTC's present
MS solenoid control circuit open
Transmission control relay output circuit open
MS solenoid control circuit short to ground
MS solenoid control circuit short to voltage
Powertrain control module
Intermittent wiring and connectors