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Symptom: P0715-INPUT SPEED SENSOR ERROR When Monitored and Set Condition: P0715-INPUT SPEED SENSOR ERROR When Monitored: The transmission gear ratio is monitored continuously while the transmission is in gear. Set Condition: If there is an excessive change in the Input RPM in any gear. POSSIBLE CAUSES INPUT SPEED SENSOR SIGNAL CIRCUIT OPEN SPEED SENSOR GROUND CIRCUIT OPEN INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE INPUT SPEED SENSOR POWERTRAIN CONTROL MODULE INTERMITTENT WIRING AND CONNECTORS 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 189 TRANSMISSION - NGC |