POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)
LIST
DTC | Item | Content of diagnosis | Note |
None | Without DTC | Normal | Subaru Select Monitor > INSPECTION"> |
“Assist limitation” is displayed in the current data «EPS operating condition». | Assist limitation is performed due to overheat protection control. | STEERING Warning Light > STEERING WARNING LIGHT DOES NOT COME ON"> | |
«Overheating protection intervention history» in current data display shows 1 or more. | There are previous records of intervention to overheat protection control. | STEERING Warning Light > STEERING WARNING LIGHT DOES NOT COME ON"> | |
C2511 | TORQUE SENSOR MAIN |
• Poor connector contact
• Forgot to connect connector
• Faulty torque sensor section circuit
• Faulty torque sensor coil
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2511 TORQUE SENSOR MAIN">
C2512
TORQUE SENSOR SUB
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2512 TORQUE SENSOR SUB">
C2513
TORQUE SENSOR MUCH TOLERANCE
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2513 TORQUE SENSOR MUCH TOLERANCE">
C2514
TORQUE SENSOR POWER SUPPLY
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2514 TORQUE SENSOR POWER SUPPLY">
C2521
MOTOR MALFUNCTION
• Poor connector contact
• Forgot to connect connector
• Harness open/short circuit
• Motor open circuit
• Power transistor shorted/open
• Terminal power supply or ground short
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2521 MOTOR MALFUNCTION">
C2522
RESOLVER SENSOR
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2522 RESOLVER SENSOR">
C2531
CONTROL MODULE CPU
Faulty main unit of power steering control module
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2531 CONTROL MODULE CPU">
C2532
CONTROL MODULE PERIPHERAL CIRCUIT
Faulty main unit of power steering control module
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2532 CONTROL MODULE PERIPHERAL CIRCUIT">
C2533
CONTROL MODULE BOARD TEMPERATURE SENSOR
Faulty main unit of power steering control module
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2533 CONTROL MODULE BOARD TEMPERATURE SENSOR">
C2541
VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR
• Poor connector contact
• Forgot to connect connector
• Harness open/short circuit
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR">
C2543
ERROR PASSIVE
Defective CAN communication
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2543 ERROR PASSIVE">
C2551
POWER SUPPLY RELAY
• Power supply voltage malfunction
• Faulty relay contact
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2551 POWER SUPPLY RELAY">
C2552
MOTOR RELAY
Faulty relay
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2552 MOTOR RELAY">
U0073
CONTROL MODULE COMMUNICATION BUS OFF
Defective CAN communication
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF">
U0122
LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
Defective CAN communication
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE">
U0416
INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE
Defective CAN communication
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE">
U1120
LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE
Defective CAN communication
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE">
Dtc c1241 rear left abs sensor circuit
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C1241 REAR LEFT ABS SENSOR CIRCUITDTC detecting condition:• Defective ABS wheel speed sensor (broken wire, input voltage too high)• Defective harness connectorTrouble symptom:&bul ...
Dtc p0685 ecm/pcm power relay control circuit/open
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0685 ECM/PCM POWER RELAY CONTROL CIRCUIT/OPENDTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode ...
Inspection
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Primary Speed SensorINSPECTION1. Set the ST between the TCM and bulkhead harness.ST 18460AA040CHECK BOARD2. Set the probe of oscilloscope to the check board connector.Connector & terminalNo. 14 (+) — No. 42 (−):(A)+ probe(B)− probe3 ...