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TEST ACTION APPLICABILITY 1 NOTE: Low fluid level can be the cause of many transmission problems. If t, read Engine DTC’s. Check and repair all Engine DTC’s prior to performing any transmission symptom diagnostics. t, read Transmission DTC’s. Record all DTC’s and 1 Trip Failures. NOTE: Diagnose 1 Trip Failures as a fully matured DTC. All Continue 2 With the DRBIII t, check for other Transmission DTC’s. Is the DTC P0944 present also? All Yes → Refer to the Transmission category and perform the appropriate symptom. No → Go To 3 3 With the DRBIII t, read Transmission DTC’s. Is the DTC P0733 and/or P0871 present also? All Yes → Replace the Transmission Solenoid/Pressure Switch Assembly per the Service Information. No → Go To 4 4 With the DRBIII t, Check the STARTS SINCE SET counter for P0870. NOTE: This counter only applies to the last DTC set. All Yes → Go To 5 No → Go To 12 104 TRANSMISSION - NGC P0870-OD HYDRAULIC PRESSURE TEST FAILURE — Continued |