DTC 81, 2-3 Shift Solenoid Circuit Fault: Notes

Ignition voltage is supplied directly to 2-3 shift solenoid. PCM controls solenoid by providing ground path through 2-3 shift solenoid control circuit. DTC 81 will set when PCM commands solenoid on and voltage remains high for 2 seconds, or PCM commands solenoid off and voltage remains low for 2 seconds.

If solenoid is shorted off, 3rd gear only will occur. If solenoid is shorted on, 2nd gear only will occur. DTC 81 will be stored in PCM memory but will not turn on MIL.

1. This test checks the function of 2-3 shift solenoid and internal transmission wiring.
2. This test checks for power to 2-3 shift solenoid from ignition, through fuse.