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P0453-NVLD PRESSURE SWITCH STUCK OPEN (CONTINUED) 6. (Z42) GROUND CIRCUIT OPEN Measure the resistance between the (Z42) Ground circuit and ground. Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the open in the (Z42) Ground circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 7. PCM NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal Were there any problems found? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace and program the Powertrain Control Module per Service Information. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 500 ENGINE ELECTRICAL DIAGNOSTICS WK |