DTC P1780: Transmission Control Switch (TCS) Out of Self-Test Range
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P1780 - TRANSMISSION CONTROL SWITCH (TCS) OUT OF SELF-TEST RANGE
| Description: | During key on engine running (KOER) self-test the TCS must be cycled, or a DTC is set. | ||
| Possible Causes: |
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| Diagnostic Aids: | Verify the TCS switch cycles on/off. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to TB1 . | ||