Subaru Outback: DTC P0453, P0456, P0457, P0458, P0459, P0461, P04632, P0463, P0464, P0500, P0506, P0507, P050A, P050B, P0512, P0604, P0607, P0638, P0700, P0851, P0852, P1152, P1153

CA:DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR HIGH INPUT

DTC DETECTING CONDITION:

• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-165, DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CB:DTC P0456 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-166, DTC P0456 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Fuel odor
• There is a hole of more than 0.5 mm (0.020 in) dia. in evaporation system or fuel tank.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CC:DTC P0457 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-166, DTC P0457 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Fuel odor
• Fuel filler cap loose or lost

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CD:DTC P0458 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-167, DTC P0458 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CE:DTC P0459 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-169, DTC P0459 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CF:DTC P0461 FUEL LEVEL SENSOR "A" CIRCUIT RANGE/PERFORMANCE

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-171, DTC P0461 FUEL LEVEL SENSOR "A" CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CG:DTC P0462 FUEL LEVEL SENSOR "A" CIRCUIT LOW

NOTE: For the diagnostic procedure, refer to DTC P0463. <Ref. to EN(H4SO)(diag)-213, DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

CH:DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-175, DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CI: DTC P0464 FUEL LEVEL SENSOR CIRCUIT INTERMITTENT

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-177, DTC P0464 FUEL LEVEL SENSOR CIRCUIT INTERMITTENT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CJ:DTC P0500 VEHICLE SPEED SENSOR "A"

DTC DETECTING CONDITION:

• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-180, DTC P0500 VEHICLE SPEED SENSOR "A", Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CK:DTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-181, DTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Hard to start the engine.
• Engine does not start.
• Improper idling
• Engine stalls.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CL:DTC P0507 IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-182, DTC P0507 IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

Engine keeps running at higher speed than specified idle speed.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CM:DTC P050A COLD START IDLE AIR CONTROL SYSTEM PERFORMANCE

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-183, DTC P050A COLD START IDLE AIR CONTROL SYSTEM PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Engine keeps running at higher speed than specified idle speed.
• Engine keeps running at a lower speed than the specified idle speed.
• Engine stalls.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CN:DTC P050B COLD START IGNITION TIMING PERFORMANCE

NOTE: For the diagnostic procedure, refer to DTC P050A. <Ref. to EN(H4SO)(diag)-217, DTC P050A COLD START IDLE AIR CONTROL SYSTEM PERFORMANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

CO:DTC P0512 STARTER REQUEST CIRCUIT

DTC DETECTING CONDITION:

• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-189, DTC P0512 STARTER REQUEST CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM: Failure of engine to start

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CP:DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR

DTC DETECTING CONDITION:

• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-191, DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Engine does not start.
• Engine stalls.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

CQ:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR

NOTE: For the diagnostic procedure, refer to DTC P0607. <Ref. to EN(H4SO)(diag)-229, DTC P0607 THROTTLE CONTROL SYSTEM CIRCUIT RANGE/PERFORMANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

CR:DTC P0607 THROTTLE CONTROL SYSTEM CIRCUIT RANGE/PERFORMANCE

DTC DETECTING CONDITION:

• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-193, DTC P0607 THROTTLE CONTROL SYSTEM CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

• Improper idling
• Poor driving performance

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CS:DTC P0638 THROTTLE ACTUATOR CONTROL RANGE/PERFORMANCE (BANK 1)

NOTE: For the diagnostic procedure, refer to DTC P2101. <Ref. to EN(H4SO)(diag)-267, DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

CT:DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

NOTE: For the diagnostic procedure, refer to CVT section. <Ref. to CVT(diag)-2, Basic Diagnostic Procedure.>

CU:DTC P0851 PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW (AT MODEL)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-198, DTC P0851 PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW (AT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM:

Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CV:DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT LOW (MT MODEL)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-199, DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT LOW (MT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM: Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CW:DTC P0852 PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH (AT MODEL)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-200, DTC P0852 PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH (AT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM: Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CX:DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-201, DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

TROUBLE SYMPTOM: Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CY:DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK1 SENSOR1)

DTC DETECTING CONDITION:

• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-202, DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK1 SENSOR1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

CZ:DTC P1153 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK1 SENSOR1)

• DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-204, DTC P1153 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK1 SENSOR1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

READ NEXT: