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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 162 (AUTOMATIC TRANSMISSION - CVT)DIAGNOSIS AND TESTINGDIAGNOSTIC TROUBLE CODE (DTC) CHARTSSPECIAL TOOL(S)DIAGNOSTIC TROUBLE CODE CHART
2005 Ford Taurus SEL, 4D Sedan

Diagnostic Trouble Code Chart

2005 Ford Taurus SEL, 4D SedanSECTION Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART

Five Digit DTC Component Description Condition Symptom Action
P0604 TCM Transaxle Control Module (TCM) Random Access Memory (RAM) Error TCM detected a failed data check of RAM.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0605 TCM TCM Read Only Memory (ROM) Error TCM detected a failed data check of ROM.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. REFLASH the TCM. If program is successful, ERASE the DTC codes. If reflash fails, INSTALL a new mechatronic unit.
P0710 TFT Transmission Fluid Temperature (TFT) Sensor A Circuit TCM detected TFT sensor out of range -55°C-175°C (-67°F-347°F).
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST B .
P0711 TFT Transmission Fluid Temperature (TFT) Sensor A Circuit TCM detected an erratic change in temperature. Temperature signal changing too fast.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST B .
P0714 TFT Transmission Fluid Temperature (TFT) Sensor A Circuit Intermittent TCM detected the TFT temperature different than the set scale.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST B .
P0218 TFT Transmission Fluid Over Temperature Condition Indicated The TCM detected that the transmission fluid temperature exceeded 115°C (239°F).
  • Will turn on driver warning lamp at 130°C (266°F).
 +REFER to DIAGNOSIS BY SYMPTOM .
P0613 TCM Electrically Erasable Programmable Read Only Memory (EEPROM) Error TCM detected a failed data check of EEPROM.
  • Slight shift engagements concerns.
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. REFLASH the TCM. If program is successful, ERASE the DTC codes. If reflash fails, INSTALL a new mechatronic unit.
P0562 TCM TCM Power Input Signal Low DTC will set if engine running and input voltage to the TCM is lower than 9 volts. DTC will set if the battery has been disconnected for an extended period of time.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
 GO to PINPOINT TEST H .
P0563 TCM TCM Power Input Signal High DTC will set if engine running and input voltage to the TCM is higher than 17 volts.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
 GO to PINPOINT TEST H .
P0634 TCM TCM Internal Temperature Too High The TCM detected that the transmission fluid temperature exceeded 130°C (266°F). Will turn on driver warning lamp at 130°C (266°F). REFER to DIAGNOSIS BY SYMPTOM .
P0641 TCM TCM Module Sensor Voltage Failed Sensor reference voltage A circuit open.
  • May turn on MIL
  • Mechanical limp home mode
 CLEAR all DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics unit. After installing the new mechatronic unit, it must be reflashed to the latest level calibration.
P0840 Main Pressure Sensor Transmission Main Fluid Pressure Sensor A Circuit TCM detected the main pressure sensor value is out of range 0-7,300 kPa (0-1,059 psi).
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST A .
P0845 Secondary Pulley Pressure Sensor Secondary Pulley Fluid Pressure Sensor B Circuit TCM detected secondary pulley pressure sensor value is out of range 0-7,300 kPa (0-1,059 psi).
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST A .
P0868 Transmission Fluid Pressure Transmission Fluid Pressure Low DTC will be set if an insufficient fluid supply is detected at the pressure sensor(s). This could be caused by defective pressure sensor(s) or a hydraulic system leakage. It is also possible to have no pressure due to very cold fluid -20°C (-4°F).
  • No torque converter lock-up.
  • Delayed engagements are possible (no pressure because of very cold fluid).
 GO to PINPOINT TEST A .
P0871 Transmission Secondary Fluid Pressure Sensor Transmission Secondary Fluid Pressure Sensor Circuit C DTC will be set if secondary pulley pressure is lower or higher than expected. This indicates a defect pressure sensor or a leakage of the hydraulic system.
  • Marginal loss of acceleration.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST A .
P0615 Starter Relay Circuit (Start Interlock) Starter Relay Circuit Pin 10 Shorted to Power or Ground Starter circuit pin 10 shorted.
  • No engagement.
  • Will turn on driver warning lamp.
 DISCONNECT the TCM control module. Visually check the connector for bent or broken pins.
P0960 PCA Pressure Control Solenoid A Control Circuit Open Main pressure driver output open.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0961 PCA Pressure Control Solenoid A Out Of Range DTC will be set if main pressure is lower or higher than expected. This indicates a defective pressure sensor or a leakage of the hydraulic system.
  • Marginal loss of power/acceleration
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST A .
P0962 PCA Pressure Control Solenoid A Control Circuit Low Main pressure driver output shorted to ground.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0963 PCA Pressure Control Solenoid A Control Circuit High Main pressure driver output shorted to power.
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0964 PCB Pressure Control Solenoid B Control Circuit Open Primary pulley driver output open.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0966 PCB Pressure Control Solenoid B Control Circuit Low Primary pulley driver output shorted to ground.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0967 PCB Pressure Control Solenoid B Control Circuit High Primary pulley driver output shorted to power.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0968 PCC Pressure Control Solenoid C Control Circuit Open Second pulley driver output open.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0970 PCC Pressure Control Solenoid C Control Circuit Low Second pulley driver output shorted to ground.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0971 PCC Pressure Control Solenoid C Control Circuit High Second pulley driver output shorted to power.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0740 TCC Torque Converter Clutch Solenoid Circuit Open Torque converter clutch solenoid driver output open.
  • No torque converter lock-up.
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0741 TCC Torque Converter Clutch (TCC) Solenoid Circuit Performance or Stuck Off The TCM picked up an excessive amount of TCC slippage during normal vehicle operation.
  • Torque converter lock/unlock.
  • Engine RPM may be higher than expected.
  • Lack/loss of power/acceleration.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST D .
P0742 TCC Torque Converter Clutch Solenoid Circuit Stuck On TCC clutch driver output shorted to ground.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0743 TCC Torque Converter Clutch Solenoid Circuit Electrical TCC clutch driver output shorted to power.
  • No torque converter lock-up
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0900 Clutch Actuator Clutch Actuator Solenoid Open Circuit Forward, reverse clutch driver output open.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Harsh engagement concerns.
  • Will turn on warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0902 Clutch Actuator Clutch Actuator Circuit Low Forward, reverse clutch driver output short to ground.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0903 Clutch Actuator Clutch Actuator Circuit High Forward, reverse clutch driver output short to power.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Harsh engagement concerns.
  • Will turn on warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0810 Clutch Position Control Clutch Position Control Error TCM detect a sticking clutch due to a clutch opening error.
  • Engine driveability concerns (reduced engine performance).
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST E .
P0811 Forward or Reverse Clutch Excessive Clutch Slippage Excessive forward and reverse clutch slipping.
  • Engine driveability concerns (reduced engine performance).
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST E .
P0730 Gear Ratio Incorrect Gear Ratio TCM detected the variator ratio is out of spec or an incorrect ratio.
  • No torque converter lock-up.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
 GO to PINPOINT TEST A .
P0701 Transmission Control System Transmission Control System TCM has detected other transaxle DTCs setting this DTC enables limp home mode.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
 FIX other transaxle DTC first. CLEAR DTCs.
P0702 Transmission Control Electrical System Transmission Control Electrical System Error Error detected during initialization of the TCM.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0705 Transmission Range (TR) Sensor Transmission Range Sensor Circuit A Internal components damaged, circuit A failure.
  • Different ratio behavior (increased engine rpm).
  • Lack/loss of power/acceleration.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST C .
P0715 TSS Turbine Shaft Speed Sensor Circuit A TCM detected a loss of TSS signal during operation. Insufficient input from the turbine shaft speed sensor.
  • Engagement concerns. Harsh/erratic.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST G .
P0716 TSS Turbine Shaft Speed Sensor Circuit A High TCM detected a faulty TSS sensor. TSS signal higher than mechanically possible during operation.
  • Engine driveability concerns (loss of engine power).
  • Engagement concerns.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST G .
P0219 Engine Engine RPM or Vehicle Speed Limit Reached Engine speed and turbine speed is higher than the maximum allowed speed of the engine.
  • Engine RPM too high or too low.
  • Open clutch during operation (loss of power).
  • Will turn on driver warning lamp.
 REFER to the INTRODUCTION - GASOLINE article .
P2765 Primary Pulley Speed Sensor A No or Incorrect Signal From Primary Pulley Speed Sensor TCM detected a faulty pulley A speed sensor at the TCM.
  • Engage concerns.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST I .
P2766 Primary Pulley Speed Sensor A No or Incorrect Signal From Primary Pulley Speed Sensor TCM detected a faulty pulley A speed. Signal higher than mechanically possible during operation.
  • Engage concerns.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST I .
P186D TCM/DEM Set by all wheel drive (AWD) failure concern. AWD clutch actuator stuck DEM sends signal to the TCM via the CAN network. No AWD. Will turn on driver warning lamp. If the DEM sets an all wheel drive (AWD) DTC code P0960 and P0961, REFER to DRIVELINE SYSTEM - GENERAL INFORMATION .
For DEM and AWD diagnosis, REFER to DRIVELINE SYSTEM - GENERAL INFORMATION .
P0960 and P0961 should be diagnosed after any repairs.
P0720 OSS Output Shaft Speed Sensor Circuit TCM detected a faulty output shaft speed sensor.
  • Engage concerns.
  • Will turn on MIL and driver warning lamp.
 GO to PINPOINT TEST F .
P0721 OSS Output Shaft Speed Sensor Circuit TCM has detected an erratic OSS signal.
  • Engage concerns.
  • Will turn on driver warning lamp.
 GO to PINPOINT TEST F .
U0301 Software Incompatible Software Incompatible With the Powertrain Control Module (PCM) Software is different than the vehicle configuration.
  • Engine driveability concerns.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. REFLASH the TCM. If program is successful, ERASE the DTC codes. If reflash fails, INSTALL a new mechatronic unit.
P0942 Hydraulic Pressure Unit Stuck Limp Home Mode Value Fault detected in hydraulic valve body.
  • Harsh or erratic shift engagements.
  • No torque converter clutch apply.
  • No REVERSE.
  • No DRIVE.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit. If transmission fluid is contaminated, INSTALL a new transaxle.
P0657 Actuator Supply Voltage Circuit A Actuator Supply Voltage Circuit A Open High side driver error detected during initialization of the TCM. Short to ground or open.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0658 Actuator Supply Voltage Circuit A Actuator Supply Voltage Circuit A Low High side error detected during initialization of the TCM.
  • Engagement concerns. Harsh/erratic.
  • No torque converter lock-up.
  • Lack/loss of power/acceleration.
  • Different ratio behavior (increased engine rpm).
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P0659 Actuator Supply Voltage Circuit A Actuator Supply Voltage Circuit A High High side driver error detected during initialization of the TCM. Short to power.
  • Lack/loss of power/acceleration.
  • Vehicle not drivable.
  • Will turn on driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
U0073 TCM Transmission Control Module Communication Error Loss of communication with the TCM.
  • Engine driveability concerns.
  • Will turn on MIL and driver warning lamp.
 REFER to the INTRODUCTION - GASOLINE article .
U0101 TCM/PCM Transmission Control Module Communication Error PCM lost communication with the TCM.
  • Engine driveability concerns.
  • Will turn on MIL and driver warning lamp.
NOTE: The transmission control module (TCM) is integrated into the mechatronic assembly. If installing a new transaxle or a mechatronic assembly, the TCM will need to be checked and recalibrated (reflashed) to the latest level calibration available. INSTALL a new mechatronic unit.
P2544 PCM Torque Management Request Input Signal A Data received from the PCM or engine components are not correct for the vehicle operating conditions. Incorrect engine torque calculation may result. Transmission may enable limp-home strategies or increase pressures. Engine components and PCM may or may not set additional DTCs. P2544, fuel monitor error, ECT sensor failure and MAF sensor failures may be present. MIL may illuminate. REFER to the INTRODUCTION - GASOLINE article .
U0401 PCM/TCM Invalid Data Received From the PCM or Engine Components Data received from the PCM or engine components is not correct for the vehicle operating conditions. Transmission may enable limp-home strategies or increase pressures Engine components and PCM may or may not set additional DTCs. P2544, fuel monitor error, ECT sensor failure and MAF sensor failures may be present. MIL may illuminate. REFER to the INTRODUCTION - GASOLINE article .
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