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2. CHECK FOR LOSS OF PRIME DTC With the scan tool, check for other Transmission DTCs. Is the DTC P0944 present also? Yes >> Refer to the Transmission category and perform the appropriate diagnostic procedure. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 3 3. CHECK TO SEE IF P0841 IS CURRENT With the scan tool, view DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes >> Go To 4 No >> Go To 10 4. PCM AND WIRING Turn the ignition off to the lock position. Remove the Starter Relay. CAUTION: Removal of the Starter Relay is to prevent a Transmission NO RESPONSE condition and to dis- NOTE: Check connectors - Clean/repair as necessary. With the Transmission Simulator, turn the Pressure Switch selector to OD. With the scan tool , monitor the OD Pressure Switch state while pressing the Pressure Switch Test button on the Did the OD Pressure Switch state change? Yes >> Go To 8 No >> Go To 5 21 - 168 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS KJ |