RM38N0EC _55 Steering _111819 POWER ASSIST SYSTEMS _0501137 POWER STEERING SYSTEM C

POWER ASSIST SYSTEMS POWER STEERING SYSTEM C05D604 Power Steering Control Module Processor System Internal Failure C05D646 Power Steering Control Module Processor Calibration / Parameter Memory Failure C05D649 Power Steering Control Module Processor Internal Electronic Failure C10001C Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range C10051C Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range C151162 Power Steering Torque Sensor "A" Signal Compare Failure C151187 Power Steering Torque Sensor "A" Missing Message C151262 Power Steering Torque Sensor "B" Signal Compare Failure C151287 Power Steering Torque Sensor "B" Missing Message C151A17 Power Steering Torque Sensor "A" Supply Voltage Circuit Voltage Above Threshold C151B17 Power Steering Torque Sensor "B" Supply Voltage Circuit Voltage Above Threshold C152A18 Power Steering Motor "A" Circuit Current Below Threshold C152A19 Power Steering Motor "A" Circuit Current Above Threshold C152B18 Power Steering Motor "B" Circuit Current Below Threshold C152B19 Power Steering Motor "B" Circuit Current Above Threshold C153A00 Malfunction of Power Steering Motor "A" Inverter Pre-Driver C153A19 Power Steering Motor "A" Inverter Circuit Current Above Threshold C153B00 Malfunction of Power Steering Motor "B" Inverter Pre-Driver C153B19 Power Steering Motor "B" Inverter Circuit Current Above Threshold C154A7E Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On C154A7F Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off C154B7E Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On C154B7F Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off C156A9E Power Steering Motor "A" Shut Down Relay Stuck On C156A9F Power Steering Motor "A" Shut Down Relay Stuck Off C156B9E Power Steering Motor "B" Shut Down Relay Stuck On C156B9F Power Steering Motor "B" Shut Down Relay Stuck Off C157A11 Power Steering Motor "A" Current Sensor Circuit Short to Ground C157A62 Power Steering Motor "A" Current Sensor Signal Compare Failure C157B11 Power Steering Motor "B" Current Sensor Circuit Short to Ground C157B62 Power Steering Motor "B" Current Sensor Signal Compare Failure C159A49 Power Steering Motor "A" Terminal Voltage Detect Circuit Internal Electronic Failure C159B49 Power Steering Motor "B" Terminal Voltage Detect Circuit Internal Electronic Failure C15D162 Power Steering Motor Position Sensor "A" Signal Compare Failure C15D187 Power Steering Motor Position Sensor "A" Missing Message C15D262 Power Steering Motor Position Sensor "B" Signal Compare Failure C15D287 Power Steering Motor Position Sensor "B" Missing Message

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority
C05D604	Power Steering Control Module Processor System Internal Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C05D646	Power Steering Control Module Processor Calibration / Parameter Memory Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C05D649	Power Steering Control Module Processor Internal Electronic Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C10001C	Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C10051C	Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151162	Power Steering Torque Sensor "A" Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151187	Power Steering Torque Sensor "A" Missing Message	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151262	Power Steering Torque Sensor "B" Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151287	Power Steering Torque Sensor "B" Missing Message	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151A17	Power Steering Torque Sensor "A" Supply Voltage Circuit Voltage Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C151B17	Power Steering Torque Sensor "B" Supply Voltage Circuit Voltage Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C152A18	Power Steering Motor "A" Circuit Current Below Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C152A19	Power Steering Motor "A" Circuit Current Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C152B18	Power Steering Motor "B" Circuit Current Below Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C152B19	Power Steering Motor "B" Circuit Current Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C153A00	Malfunction of Power Steering Motor "A" Inverter Pre-Driver	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C153A19	Power Steering Motor "A" Inverter Circuit Current Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C153B00	Malfunction of Power Steering Motor "B" Inverter Pre-Driver	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C153B19	Power Steering Motor "B" Inverter Circuit Current Above Threshold	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C154A7E	Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C154A7F	Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C154B7E	Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C154B7F	Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C156A9E	Power Steering Motor "A" Shut Down Relay Stuck On	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C156A9F	Power Steering Motor "A" Shut Down Relay Stuck Off	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C156B9E	Power Steering Motor "B" Shut Down Relay Stuck On	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C156B9F	Power Steering Motor "B" Shut Down Relay Stuck Off	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C157A11	Power Steering Motor "A" Current Sensor Circuit Short to Ground	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C157A62	Power Steering Motor "A" Current Sensor Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C157B11	Power Steering Motor "B" Current Sensor Circuit Short to Ground	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C157B62	Power Steering Motor "B" Current Sensor Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C159A49	Power Steering Motor "A" Terminal Voltage Detect Circuit Internal Electronic Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C159B49	Power Steering Motor "B" Terminal Voltage Detect Circuit Internal Electronic Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C15D162	Power Steering Motor Position Sensor "A" Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C15D187	Power Steering Motor Position Sensor "A" Missing Message	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C15D262	Power Steering Motor Position Sensor "B" Signal Compare Failure	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A
C15D287	Power Steering Motor Position Sensor "B" Missing Message	When there is an internal malfunction in the ECU	Rack and pinion power steering gear assembly	EPS warning light: Comes on	EMPS	A

CAUTION / NOTICE / HINT

NOTICE:: When replacing the rack and pinion power steering gear assembly, perform Power Steering ECU Initial Setting.; Click hereSteering>STEERING GEAR / LINKAGE>STEERING GEAR>POWER STEERING ECU INITIAL SETTING202111,999999,_55,_111821,_0503296,RM100000001ZE3A,

PROCEDURE

1.CLEAR DTC

Pre-procedure1

None

Procedure1

Clear the DTCs.

Chassis > EMPS > Clear DTCs: 50002 405

Result:

Proceed to
NEXT

Post-procedure1

Turn the ignition switch off.

2.CHECK FOR DTC

Check for DTCs.

Chassis > EMPS > Trouble Codes: 50001 405

Result:

Result	Proceed to
Only C05D604, C05D646, C05D649, C10001C, C10051C, C151162, C151187, C151262, C151287, C151A17, C151B17, C152A18, C152A19, C152B18, C152B19, C153A00, C153A19, C153B00, C153B19, C154A7E, C154A7F, C154B7E, C154B7F, C156A9E, C156A9F, C156B9E, C156B9F, C157A11, C157A62, C157B11, C157B62, C159A49, C159B49, C15D162, C15D187, C15D262 or C15D287 is output	A
C05D604, C05D646, C05D649, C10001C, C10051C, C151162, C151187, C151262, C151287, C151A17, C151B17, C152A18, C152A19, C152B18, C152B19, C153A00, C153A19, C153B00, C153B19, C154A7E, C154A7F, C154B7E, C154B7F, C156A9E, C156A9F, C156B9E, C156B9F, C157A11, C157A62, C157B11, C157B62, C159A49, C159B49, C15D162, C15D187, C15D262 or C15D287 and other DTCs are output	B
DTCs are not output	C

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY

Click hereSteering>STEERING GEAR / LINKAGE>STEERING GEAR>REMOVAL202111,202203,_55,_111821,_0503296,RM100000001ZE38,202203,202303,_55,_111821,_0503296,RM1000000022F7U,202303,202406,_55,_111821,_0503296,RM100000002B2NK,202406,202409,_55,_111821,_0503296,RM100000002MQ5G,202409,999999,_55,_111821,_0503296,RM100000002OMWM,

GO TO DIAGNOSTIC TROUBLE CODE CHART

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING202111,999999,_V1,_111779,_0504974,RM100000001ZKRQ,