LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2005 >> Reno S, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Diagnostic Information and Procedures >> Diagnostic Trouble Code (DTC) Identification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code (DTC) Identification

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description Indication Default Action
P0562  System Voltage Low MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0563  System Voltage High MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0601  Internal Control Module Memory Checksum Error MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0603  Internal Control Module Keep Alive Memory (KAM) Error MIL ON
  • The TCM will record operating conditions at he time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0604  Internal Control Module Random Access Memory (RAM) Error MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0606  Transmission Control Module Processor Fault MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P0703  Brake Switch Circuit Malfunction No Change
  • TCM assume that the brake light always active.
  • Open lock up clutch.
P0705  Transmission Range Sensor Circuit Malfunction (PRNDL Input) MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control, position P, R and N also possible.
P0710  Transmission Fluid Temperature out of Range Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • TCM assume the transaxle fluid temperature is 140°F (60°C).
  • No influence at vehicle running.
P0711  Transmission Fluid Temperature Sensor Circuit Range/Performance Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • TCM assume the transaxle fluid temperature is 140°F (60°C).
  • No influence at vehicle running.
P0712  Transmission Fluid Temperature Sensor Circuit Shorted to Ground Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • TCM assume the transaxle fluid temperature is 60°C.
  • No influence on driveability.
P0713  Transmission Fluid Temperature Sensor Circuit Shorted to Power and Open Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • TCM assume the transaxle fluid temperature is 60°C.
  • No influence on driveability.
P0715  Input Speed Sensor Circuit Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control, position P, R and N also possible.
  • Open lock up clutch.
P0716  Input Speed Sensor Circuit Range/Performance MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control, position P, R and N also possible.
  • Open lock up clutch.
P0717  Input Speed Sensor Circuit No Signal MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control, position P, R and N also possible.
  • Open lock up clutch.
P0720  Output Speed Sensor Circuit Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P0721  Output Speed Sensor Circuit Range/Performance MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P0722  Output Speed Sensor Circuit No Signal MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Vehicle running remains actual gear.
  • Open lock up clutch.
P0725  Engine Speed Input Circuit Malfunction No Change
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P0726  Engine Speed Input Circuit Range/Performance Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P0727  Engine Speed Input Circuit No Signal Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P0731  Gear 1 Incorrect Ratio MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • High line pressure.
P0732  Gear 2 Incorrect Ratio MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 3rd gear.
  • High line pressure.
P0733  Gear 3 Incorrect Ratio MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • High line pressure.
P0734  Gear 4 Incorrect Ratio MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
  • High line pressure.
P0741  TCC (Torque Converter Clutch) Circuit Stuck OFF MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Open lock up clutch.
P0742  TCC (Torque Converter Clutch) Circuit Stuck ON MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Open lock up clutch.
P0781  1-2 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 1st gear.
  • Open lock up clutch.
P0782  2-3 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 2nd gear.
  • Open lock up clutch.
P0783  3-4 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 3rd gear.
  • Open lock up clutch.
P1604  Data Check of Internal & Extended Ram Failed MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cutoff to the EDS valve.
P1606  Failure of External Watchdog MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1779  Engine Torque Input Signal (CAN) Malfunction No Change
  • Adjustable value, calculated over the substitute map throttle position, (engine speed, engine torque)
P1791  Throttle Position Input Signal (CAN) Malfunction No Change
  • Adjustable value, calculated over the substitute map throttle position, (engine speed, engine torque)
P1839  EDS3 Output Shorted To Ground MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1840  EDS3 Output Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1841  EDS3 Output Open MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1850  Solenoid 1 Output Shorted To Ground Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1851  Solenoid 1 Output Shorted To Power Hold Lamp Flashing
  • Hold lamp will blink.
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
P1852  Solenoid 1 Output Open Hold Lamp Flashing
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1853  Solenoid 2 Output Shorted To Ground MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1854  Solenoid 2 Output Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1855  Solenoid 2 Output Open MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1861  EDS4 Output Shorted To Ground MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1862  EDS4 Output Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1863  EDS4 Output Open MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1864  EDS5 Output Shorted To Ground MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1865  EDS5 Output Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1866  EDS5 Output Open MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1867  EDS6 Output Shorted To Ground MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1868  EDS6 Output Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1869  EDS6 Output Open MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1871  EDS Valve Power Supply Circuit Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON: 3rd gear by hydraulic control. Possible P, R and N also possible.
  • Power supply cut off to the EDS valve.
P1874  Solenoid Valve Power Supply Circuit Shorted To Power MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
P1881  2-1 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 3rd gear.
  • Open lock up clutch.
P1883  3-2 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 3rd gear.
  • Open lock up clutch.
P1884  4-3 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear.
  • Open lock up clutch.
P1885  3-1 Shift Malfunction MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 3rd gear.
  • Open lock up clutch.
U0073  CAN Bus OFF Failure MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
U0100  CAN Receive ECM Message Failure MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
U0101  CAN Transmit Message Failure MIL ON
  • The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
  • Adopt Emergency/Substitute mode and constant 4th gear by hydraulic control.
  • After ignition OFF/ON : 3rd gear by hydraulic control. Possible P, R and N also possible.
scientia non olet · About LEMON Manuals