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TEST ACTION APPLICABILITY 4 Ignition on, engine not running. t, erase Transmission DTC’s. Start the engine in park. t, read Transmission DTC’s. Is the DTC, P1687- No Communication with the MIC, present? All Yes → Replace the Transmission Control Module per the Service Infor- mation. WITH THE DRBIII t PERFORM QUICK LEARN AND REPROGRAM PINION FACTOR. No → Test Complete. 5 The conditions necessary to set this DTC are not present at this time. t, check the EATX EVENT DATA to help identify the conditions in which the DTC was set. All Yes → Repair as necessary. Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1. No → Test Complete. 135 TRANSMISSION - EATX P1687-NO COMMUNICATION WITH THE MIC — Continued |