FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P0890

Test 1-2:




Test 3-6:




Test 7:





SYMPTOM
P0890-SWITCHED BATTERY

WHEN MONITORED
Ignition key is turned from the OFF position to RUN position and/or ignition key is turned from the CRANK position to RUN position.

SET CONDITION
This DTC is set if the Transmission Control Module senses voltage on any of the Pressure Switch Inputs prior to the TCM energizing the Transmission Control Relay.

POSSIBLE CAUSES
- 2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
- L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
- OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIR1:NG AND CONNECTORS