Diagnostic Trouble Code Chart

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See" below.

Dynamic laser cruise control system:

DTC TROUBLE DETECTION CHART

DTC Code	Detection Item	Trouble Area
P0500	Vehicle Speed Sensor Malfunction	Vehicle speed sensor Vehicle speed sensor signal circuit Combination meter Hybrid vehicle control ECU
P0571	Brake Switch "A" Circuit	Stop light switch assembly Stop light switch signal assembly circuit Hybrid vehicle control ECU
P0571	Stop Light Switch Circuit Malfunction	BRK relay BRK relay circuit Skid control ECU Communication circuit Distance control ECU (Cruise control ECU) Hybrid vehicle control ECU
P0607	Control Module Performance	Hybrid vehicle control ECU (This DTC indicates a malfunction in the hybrid vehicle control ECU. When this DTC is output, it is necessary to replace hybrid vehicle control ECU.)
P1570	Radar Sensor Malfunction	Laser sensor
P1572	Improper Aiming of Radar Sensor Beam Axis	Laser sensor
P1575	Warning Buzzer Malfunction	Skid control buzzer assembly Skid control buzzer circuit Skid control ECU
P1578	Brake System Malfunction	VSC system
P1615	Communication Error from Distance Control ECU to HV ECU	Distance control ECU (Cruise control ECU)
P1616	Communication Error from HV ECU to Distance Control ECU	Hybrid vehicle control ECU
P1617	Distance Control ECU Malfunction	Distance control ECU (Cruise control ECU)
P1630	Communication Error from Skid Control ECU to HV ECU	Skid control ECU
P1631	Communication Error from HV ECU to Skid Control ECU	Hybrid vehicle control ECU
U0122	Lost Communication with Vehicle Dynamics Control Module	Communication circuit Hybrid vehicle control ECU Skid control ECU
U0123	Lost Communication with Yaw Rate Sensor Module	Communication circuit Yaw rate sensor
U0126	Lost Communication with Steering Angle Sensor Module	Communication circuit Steering sensor
U0235	Lost Communication with Cruise Control Front Distance Range Sensor	Communication circuit Laser sensor Distance control ECU (Cruise control ECU)
U0293	Lost Communication with HV ECU	Communication circuit Hybrid vehicle control ECU Distance control ECU (Cruise control ECU) Skid control ECU
U1101	Lost Communication with Distance Control ECU	Communication circuit Hybrid vehicle control ECU Distance control ECU (Cruise control ECU)
U1102	Lost Communication with Radar Sensor	Communication circuit Laser sensor Distance control ECU (Cruise control ECU)