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Diagnostic Aids

Code will set if control module detects one of 2 illegal combinations. Check all connections for good contact. An intermittent may be caused by a poor connection, chaffed wire insulation or a broken wire. Monitor voltage of each terminal while moving related harness connectors. If failure is induced, voltage reading will change.

VALID PSM COMBINATION

Application A B C
Park On Off On
Reverse Off Off On
Neutral On Off On
4th On Off Off
3rd On On Off
2nd On On On
1st Off On On
Illegal Off On Off
Illegal Off Off Off