Diagnostic Trouble Code Chart

HINT:

If a malfunction code is displayed during the DTC check, inspect the circuit relevant to that code. For details of each code, refer to the page listed under "See page" in the table below.

Active stabilizer suspension system

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
C1901	Rear Magnetic Pole Sensor Initialization Incomplete	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1902	Rear Magnetic Pole Sensor Pattern	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1903	Rear Actuator Short Detect Relay	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1904	Protection for Overload of Rear Actuator	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1905	Timeout Initialization Check of Rear Actuator	STB RR H-fuse Rear active stabilizer relay Front active stabilizer relay Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1906	Ratchet Angle of Rear Actuator	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1907	Front Active Stabilizer Control ECU Data Malfunction	Front active stabilizer control ECU Wire harness
C1908	Open in Rear Metal Board Temperature Sensor Circuit	Rear active stabilizer control ECU
C1909	Short in Rear Metal Board Temperature Sensor Circuit	Rear active stabilizer control ECU
C190A	Open in Rear Control Board Temperature Sensor Circuit	Rear active stabilizer control ECU
C190B	Short in Rear Control Board Temperature Sensor Circuit	Rear active stabilizer control ECU
C190C	Rear Metal Board Overheat	Rear active stabilizer control ECU
C190D	Rear Control Board Overheat	Rear active stabilizer control ECU
C190E	Malfunction in Rear Active Stabilizer Control ECU Magnetic Pole Sensor Power Supply IC	Rear active stabilizer control ECU
C190F	Malfunction in Rear Active Stabilizer Control ECU Main Relay Power Supply IC	Rear active stabilizer control ECU
C1910	Malfunction in Rear Active Stabilizer Control ECU Battery Sensor Power Supply IC	Rear active stabilizer control ECU
C1911	Malfunction in Rear Active Stabilizer Main Relay	STB RR H-fuse Rear active stabilizer relay Front active stabilizer relay Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1912	Malfunction in Rear Active Stabilizer Control ECU Short Relay Power Supply IC	Rear active stabilizer control ECU
C1913	Rear Boosted Voltage	Active stabilizer converter Rear active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C1915	Rear PIG Power Supply Voltage	Active stabilizer converter Rear active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C1916	Malfunction in Rear Active Stabilizer Control ECU Local CAN Transmission	Rear active stabilizer control ECU Wire harness
C1917	Rear Active Stabilizer Control ECU CAN Communication Stop	CAN communication line Rear active stabilizer control ECU
C1918	Rear Yaw Rate Sensor	CAN communication line Rear active stabilizer control ECU Yaw rate sensor
C1919	Rear Acceleration Sensor	CAN communication line Rear active stabilizer control ECU Acceleration sensor
C191A	Malfunction in Signal from Steering Sensor to Rear Active Stabilizer Control ECU	CAN communication line Rear active stabilizer control ECU Steering angle sensor
C191B	Rear Vehicle Speed Signal	CAN communication line Rear active stabilizer control ECU Speed sensor
C191C	Rear Actuator Torque Decrease	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C191E	Malfunction in Signal from Steering Control ECU to Rear Active Stabilizer Control ECU	CAN communication line Rear active stabilizer control ECU Steering control ECU
C1921	Malfunction in Rear Active Stabilizer Control ECU EEPROM	Rear active stabilizer control ECU
C1923	Short to GND in Rear Motor Driver	STB RR H-fuse Rear active stabilizer relay Front active stabilizer relay Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1924	Short in Rear Motor Driver Circuit	STB RR H-fuse Rear active stabilizer relay Front active stabilizer relay Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
C1925	Low Capacity Sub Battery	Active stabilizer battery current sensor Active stabilizer converter Rear active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C1926	Sub Battery Temperature Sensor	Active stabilizer battery current sensor Rear active stabilizer control ECU Wire harness
C1927	Sub Battery Current Sensor	Active stabilizer battery current sensor Rear active stabilizer control ECU Wire harness
C1928	Malfunction in DC/DC Converter	Active stabilizer converter Rear active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C1929	Front Magnetic Pole Sensor Initialization Incomplete	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192A	Front Magnetic Pole Sensor Pattern	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192B	Front Actuator Short Detect Relay	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192C	Protection for Overload of Front Actuator	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192D	Timeout Initialization Check of Front Actuator	STB FR H-fuse Rear active stabilizer relay Front active stabilizer relay Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192E	Ratchet Angle of Front Actuator	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C192F	Rear Active Stabilizer Control ECU Data Malfunction	Rear active stabilizer control ECU Wire harness
C1930	Open in Front Metal Board Temperature Sensor Circuit	Front active stabilizer control ECU
C1931	Short in Front Metal Board Temperature Sensor Circuit	Front active stabilizer control ECU
C1932	Open in Front Control Board Temperature Sensor Circuit	Front active stabilizer control ECU
C1933	Short in Front Control Board Temperature Sensor Circuit	Front active stabilizer control ECU
C1934	Front Metal Board Overheat	Front active stabilizer control ECU
C1935	Front Control Board Overheat	Front active stabilizer control ECU
C1936	Malfunction in Front Active Stabilizer Control ECU Magnetic Pole Sensor Power Supply IC	Front active stabilizer control ECU
C1937	Malfunction in Front Active Stabilizer Control ECU Main Relay Power Supply IC	Front active stabilizer control ECU
C1938	Malfunction in Front Active Stabilizer Control ECU Short Relay Power Supply IC	Front active stabilizer control ECU
C1939	Front Boosted Voltage	Active stabilizer converter Front active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C193A	Malfunction in Front Active Stabilizer Control ECU EEPROM	Front active stabilizer control ECU
C193B	Malfunction in Front Active Stabilizer Main Relay	STB FR H-fuse Rear active stabilizer relay Front active stabilizer relay Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C193C	Front PIG Power Supply Voltage	Active stabilizer converter Front active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C193D	Malfunction in Front Active Stabilizer Control ECU Local CAN Transmission	Active stabilizer battery current sensor Front active stabilizer control ECU Wire harness
C193E	Front Active Stabilizer Control ECU CAN Communication Stop	Front active stabilizer control ECU Wire harness
C1940	Front Yaw Rate Sensor	CAN communication line Front active stabilizer control ECU
C1941	Front Acceleration Sensor	CAN communication line Front active stabilizer control ECU
C1942	Malfunction in Signal from Steering Sensor to Front Active Stabilizer Control ECU	CAN communication line Front active stabilizer control ECU
C1943	Front Vehicle Speed Signal	CAN communication line Front active stabilizer control ECU
C1944	Front Actuator Torque Decrease	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C1946	Malfunction in Signal from Steering Control ECU to Front Active Stabilizer Control ECU	CAN communication line Front active stabilizer control ECU
C194B	Short to GND in Front Motor Driver	STB FR H-fuse Rear active stabilizer relay Front active stabilizer relay Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C194C	Short in Front Motor Driver Circuit	STB FR H-fuse Rear active stabilizer relay Front active stabilizer relay Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C194E	Deterioration of Sub Battery	Active stabilizer current sensor Active stabilizer converter Rear active stabilizer control ECU Battery (for active stabilizer) Front active stabilizer relay Rear active stabilizer relay Wire harness
C194F	Operation of Static Test Mode is Incomplete (Test Mode DTC)	Test mode operation error Steering angle sensor
C1950	Front Stabilizer Target Angle Not Attained (Test Mode DTC)	Front active stabilizer control actuator Front active stabilizer control ECU Wire harness
C1951	Rear Stabilizer Target Angle Not Attained (Test Mode DTC)	Rear active stabilizer control actuator Rear active stabilizer control ECU Wire harness
U0100	Lost Communication with ECM/PCM	CAN communication system
U0122	Lost Communication with Skid Control ECU	CAN communication system
U0123	Lost Communication with Yaw Rate Sensor Module	CAN communication system
U0126	Lost Communication with Steering Angle Sensor Module	CAN communication system
U0130	Lost Communication with VGRS	CAN communication system
U0132	Lost Communication with Suspension Control ECU	CAN communication system