01-21-2021, 11:37 AM
Downshift Switch Circuit Low
The Engine Control Module (ECM) monitors the Downshift Switch Circuit signal. The ECM sets the OBDII code when the Downshift Switch Circuit signal is out of factory specifications.
Cause:
Faulty Downshift Switch
Downshift Switch harness is open or shorted
Downshift Switch circuit poor electrical connection
Symptoms:
Check engine light
The Engine Control Module (ECM) monitors the Downshift Switch Circuit signal. The ECM sets the OBDII code when the Downshift Switch Circuit signal is out of factory specifications.
Cause:
Faulty Downshift Switch
Downshift Switch harness is open or shorted
Downshift Switch circuit poor electrical connection
Symptoms:
Check engine light
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