|
|
Content .. 1108 1109 1110 1111 ..
Symptom: P1793-TRD LINK COMMUNICATION ERROR When Monitored and Set Condition: P1793-TRD LINK COMMUNICATION ERROR When Monitored: During torque managed shifts with Throttle angle above 54 degrees. This system is also tested whenever the vehicle is stopped and the engine speed is below Set Condition: This code is set when the Transmission Control Module sends two subsequent Torque Reduction messages (pulses the TRD ckt to ground) to the Powertrain POSSIBLE CAUSES RELATED DTC’S PRESENT INTERMITTENT WIRING & CONNECTORS TORQUE MANAGEMENT REQUEST SENSE CIRCUIT OPEN TORQUE MANAGEMENT REQUEST SENSE SHORT TO GROUND TORQUE MANAGEMENT REQUEST SENSE CIRCUIT SHORTED TO VOLTAGE PCM - TRD LINK COMMUNICATION ERROR TCM - TRD LINK COMMUNICATION ERROR TEST ACTION APPLICABILITY 1 NOTE: Low fluid level can be the cause of many transmission problems. If t, read the engine DTC’s. Check and repair all engine DTC’s prior to performing 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. 45RFE AUTO TRANS Continue 199 TRANSMISSION |