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(P0740) TCC OVERTEMP (CONTINUED) When Monitored and Set Condition • When Monitored: Solenoid supply active. No Input Speed Sensor N2 - N3, CAN BUS, PCM, CAN Engine, • Set Condition: Friction loss factor reaches threshold. POSSIBLE CAUSES INTERNAL TRANSMISSION For a complete Transmission Control Module Circuit Diagram, (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO- Diagnostic Test 1. PRE-DIAGNOSTIC CHECK OUT Note: Low fluid level can be the cause of many transmission Note: Always perform diagnostics with a fully charged battery to T , read Engine DTCs. Check and repair all engine DTCs prior to performing transmission symptom diagnostics. With the DRB III T , read and record all Transmission DTCs. Note: Check connectors - Clean/repair as necessary. Poor pin to Most DTCs set on start up but some must be set by driving the vehicle such that all diagnostic monitors have run. Note: Check for any Technical Service Bulletins that may apply. Perform this procedure prior to Symptom diagnosis. Continue Go To 2 2. INTERNAL TRANSMISSION This DTC is an informational DTC. Check for any Technical Service Bulletins that may apply. This is usually a sign of TCC failure or internal transmission problems. Check the Engine and Transmission Cooling Systems for proper operation. View repair. Repair Repair internal Transmission as necessary. Refer to the Service Information for proper repair procedure. ZH NAG1 - ELECTRICAL DIAGNOSTICS 21 - 125 |