Subaru Legacy IV (2008 year). Manual - part 175

GD(H4SO)-2

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

1. List of Diagnostic Trouble Code (DTC)

A: LIST

DTC

Item

Note

P0026

Intake Valve Control Solenoid Circuit 
Range/Performance (Bank 1)

<Ref. to GD(H4SO)-8, DTC P0026 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT RANGE/PERFORMANCE (BANK 1), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0028

Intake Valve Control Solenoid Circuit 
Range/Performance (Bank 2)

<Ref. to GD(H4SO)-10, DTC P0028 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT RANGE/PERFORMANCE (BANK 2), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0030

HO2S Heater Control Circuit 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-11, DTC P0030 HO2S HEATER CONTROL CIRCUIT 
(BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0031

HO2S Heater Control Circuit Low 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-13, DTC P0031 HO2S HEATER CONTROL CIRCUIT 
LOW (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0032

HO2S Heater Control Circuit High 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-15, DTC P0032 HO2S HEATER CONTROL CIRCUIT 
HIGH (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0037

HO2S Heater Control Circuit Low 
(Bank 1 Sensor 2)

<Ref. to GD(H4SO)-17, DTC P0037 HO2S HEATER CONTROL CIRCUIT 
LOW (BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0038

HO2S Heater Control Circuit High 
(Bank 1 Sensor 2)

<Ref. to GD(H4SO)-19, DTC P0038 HO2S HEATER CONTROL CIRCUIT 
HIGH (BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0068

MAP/MAF - Throttle Position Correla-
tion

<Ref. to GD(H4SO)-21, DTC P0068 MAP/MAF - THROTTLE POSITION 
CORRELATION, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0076

Intake Valve Control Solenoid Circuit 
Low (Bank 1)

<Ref. to GD(H4SO)-23, DTC P0076 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT LOW (BANK 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0077

Intake Valve Control Solenoid Circuit 
High (Bank 1)

<Ref. to GD(H4SO)-24, DTC P0077 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT HIGH (BANK 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0082

Intake Valve Control Solenoid Circuit 
Low (Bank 2)

<Ref. to GD(H4SO)-25, DTC P0082 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT LOW (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0083

Intake Valve Control Solenoid Circuit 
High (Bank 2)

<Ref. to GD(H4SO)-25, DTC P0083 INTAKE VALVE CONTROL SOLENOID 
CIRCUIT HIGH (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0101

Mass or Volume Air Flow Circuit 
Range/Performance

<Ref. to GD(H4SO)-26, DTC P0101 MASS OR VOLUME AIR FLOW CIRCUIT 
RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0102

Mass or Volume Air Flow Circuit Low 
Input

<Ref. to GD(H4SO)-28, DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT 
LOW INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0103

Mass or Volume Air Flow Circuit High 
Input

<Ref. to GD(H4SO)-29, DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT 
HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0107

Manifold Absolute Pressure/Baromet-
ric Pressure Circuit Low Input

<Ref. to GD(H4SO)-30, DTC P0107 MANIFOLD ABSOLUTE PRESSURE/
BAROMETRIC PRESSURE CIRCUIT LOW INPUT, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0108

Manifold Absolute Pressure/Baromet-
ric Pressure Circuit High Input

<Ref. to GD(H4SO)-31, DTC P0108 MANIFOLD ABSOLUTE PRESSURE/
BAROMETRIC PRESSURE CIRCUIT HIGH INPUT, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0111

Intake Air Temperature Sensor 1 Cir-
cuit Range/Performance

<Ref. to GD(H4SO)-32, DTC P0111 INTAKE AIR TEMPERATURE SENSOR 1 
CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P0112

Intake Air Temperature Sensor 1 Cir-
cuit Low

<Ref. to GD(H4SO)-34, DTC P0112 INTAKE AIR TEMPERATURE SENSOR 1 
CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0113

Intake Air Temperature Sensor 1 Cir-
cuit High

<Ref. to GD(H4SO)-35, DTC P0113 INTAKE AIR TEMPERATURE SENSOR 1 
CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0117

Engine Coolant Temperature Circuit 
Low

<Ref. to GD(H4SO)-36, DTC P0117 ENGINE COOLANT TEMPERATURE 
CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

GD(H4SO)-3

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P0118

Engine Coolant Temperature Circuit 
High

<Ref. to GD(H4SO)-37, DTC P0118 ENGINE COOLANT TEMPERATURE 
CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0122

Throttle/Pedal Position Sensor/
Switch “A” Circuit Low

<Ref. to GD(H4SO)-38, DTC P0122 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “A” CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0123

Throttle/Pedal Position Sensor/
Switch “A” Circuit High

<Ref. to GD(H4SO)-39, DTC P0123 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “A” CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0125

Insufficient Coolant Temperature for 
Closed Loop Fuel Control

<Ref. to GD(H4SO)-40, DTC P0125 INSUFFICIENT COOLANT TEMPERA-
TURE FOR CLOSED LOOP FUEL CONTROL, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0126

Insufficient Engine Coolant Tempera-
ture for Stable Operation

<Ref. to GD(H4SO)-42, DTC P0126 INSUFFICIENT ENGINE COOLANT 
TEMPERATURE FOR STABLE OPERATION, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0128

Coolant Thermostat (Engine Coolant 
Temperature Below Thermostat Reg-
ulating Temperature)

<Ref. to GD(H4SO)-44, DTC P0128 COOLANT THERMOSTAT (ENGINE 
COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEM-
PERATURE), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0131

O2 Sensor Circuit Low Voltage 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-46, DTC P0131 O2 SENSOR CIRCUIT LOW VOLTAGE 
(BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0132

O2 Sensor Circuit High Voltage 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-48, DTC P0132 O2 SENSOR CIRCUIT HIGH VOLTAGE 
(BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0133

O2 Sensor Circuit Slow Response 
(Bank 1 Sensor 1)

<Ref. to GD(H4SO)-50, DTC P0133 O2 SENSOR CIRCUIT SLOW 
RESPONSE (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0134

O2 Sensor Circuit No Activity 
Detected (Bank 1 Sensor 1)

<Ref. to GD(H4SO)-53, DTC P0134 O2 SENSOR CIRCUIT NO ACTIVITY 
DETECTED (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0137

O2 Sensor Circuit Low Voltage 
(Bank 1 Sensor 2)

<Ref. to GD(H4SO)-55, DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE 
(BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0138

O2 Sensor Circuit High Voltage 
(Bank 1 Sensor 2)

<Ref. to GD(H4SO)-57, DTC P0138 O2 SENSOR CIRCUIT HIGH VOLTAGE 
(BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0139

O2 Sensor Circuit Slow Response 
(Bank 1 Sensor 2)

<Ref. to GD(H4SO)-58, DTC P0139 O2 SENSOR CIRCUIT SLOW 
RESPONSE (BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0140

O2 Sensor Circuit No Activity 
Detected (Bank 1 Sensor 2)

<Ref. to GD(H4SO)-63, DTC P0140 O2 SENSOR CIRCUIT NO ACTIVITY 
DETECTED (BANK1 SENSOR2), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0171

System Too Lean (Bank 1)

<Ref. to GD(H4SO)-65, DTC P0171 SYSTEM TOO LEAN (BANK 1), Diagnos-
tic Trouble Code (DTC) Detecting Criteria.>

P0172

System Too Rich (Bank 1)

<Ref. to GD(H4SO)-67, DTC P0172 SYSTEM TOO RICH (BANK 1), Diagnos-
tic Trouble Code (DTC) Detecting Criteria.>

P0181

Fuel Temperature Sensor “A” Circuit 
Range/Performance

<Ref. to GD(H4SO)-68, DTC P0181 FUEL TEMPERATURE SENSOR “A” 
CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P0182

Fuel Temperature Sensor “A” Circuit 
Low Input

<Ref. to GD(H4SO)-71, DTC P0182 FUEL TEMPERATURE SENSOR “A” 
CIRCUIT LOW INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0183

Fuel Temperature Sensor “A” Circuit 
High Input

<Ref. to GD(H4SO)-72, DTC P0183 FUEL TEMPERATURE SENSOR “A” 
CIRCUIT HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0196

Engine Oil Temperature Sensor Cir-
cuit Range/Performance

<Ref. to GD(H4SO)-73, DTC P0196 ENGINE OIL TEMPERATURE SENSOR 
CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P0197

Engine Oil Temperature Sensor Low

<Ref. to GD(H4SO)-75, DTC P0197 ENGINE OIL TEMPERATURE SENSOR 
LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0198

Engine Oil Temperature Sensor High

<Ref. to GD(H4SO)-76, DTC P0198 ENGINE OIL TEMPERATURE SENSOR 
HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

Note

GD(H4SO)-4

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P0222

Throttle/Pedal Position Sensor/
Switch “B” Circuit Low

<Ref. to GD(H4SO)-77, DTC P0222 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “B” CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0223

Throttle/Pedal Position Sensor/
Switch “B” Circuit High

<Ref. to GD(H4SO)-78, DTC P0223 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “B” CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0301

Cylinder 1 Misfire Detected

<Ref. to GD(H4SO)-79, DTC P0301 CYLINDER 1 MISFIRE DETECTED, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0302

Cylinder 2 Misfire Detected

<Ref. to GD(H4SO)-85, DTC P0302 CYLINDER 2 MISFIRE DETECTED, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0303

Cylinder 3 Misfire Detected

<Ref. to GD(H4SO)-85, DTC P0303 CYLINDER 3 MISFIRE DETECTED, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0304

Cylinder 4 Misfire Detected

<Ref. to GD(H4SO)-85, DTC P0304 CYLINDER 4 MISFIRE DETECTED, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0327

Knock Sensor 1 Circuit Low 
(Bank 1 or Single Sensor)

<Ref. to GD(H4SO)-86, DTC P0327 KNOCK SENSOR 1 CIRCUIT LOW 
(BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0328

Knock Sensor 1 Circuit High 
(Bank 1 or Single Sensor)

<Ref. to GD(H4SO)-87, DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH 
(BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0335

Crankshaft Position Sensor “A” Circuit <Ref. to GD(H4SO)-88, DTC P0335 CRANKSHAFT POSITION SENSOR “A” 

CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0336

Crankshaft Position Sensor “A” Circuit 
Range/Performance

<Ref. to GD(H4SO)-90, DTC P0336 CRANKSHAFT POSITION SENSOR “A” 
CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P0340

Camshaft Position Sensor “A” Circuit 
(Bank 1 or Single Sensor)

<Ref. to GD(H4SO)-92, DTC P0340 CAMSHAFT POSITION SENSOR “A” 
CIRCUIT (BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0341

Camshaft Position Sensor “A” Circuit 
Range/Performance (Bank 1 or Single 
Sensor)

<Ref. to GD(H4SO)-94, DTC P0341 CAMSHAFT POSITION SENSOR “A” 
CIRCUIT RANGE/PERFORMANCE (BANK 1 OR SINGLE SENSOR), Diag-
nostic Trouble Code (DTC) Detecting Criteria.>

P0400

Exhaust Gas Recirculation Flow

<Ref. to GD(H4SO)-96, DTC P0400 EXHAUST GAS RECIRCULATION 
FLOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0420

Catalyst System Efficiency below 
Threshold (Bank 1)

<Ref. to GD(H4SO)-99, DTC P0420 CATALYST SYSTEM EFFICIENCY 
BELOW THRESHOLD (BANK 1), Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0442

Evaporative Emission Control Sys-
tem Leak Detected (Small Leak)

<Ref. to GD(H4SO)-101, DTC P0442 EVAPORATIVE EMISSION CONTROL 
SYSTEM LEAK DETECTED (SMALL LEAK), Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0447

Evaporative Emission Control Sys-
tem Vent Control Circuit Open

<Ref. to GD(H4SO)-117, DTC P0447 EVAPORATIVE EMISSION CONTROL 
SYSTEM VENT CONTROL CIRCUIT OPEN, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0448

Evaporative Emission Control Sys-
tem Vent Control Circuit Shorted

<Ref. to GD(H4SO)-119, DTC P0448 EVAPORATIVE EMISSION CONTROL 
SYSTEM VENT CONTROL CIRCUIT SHORTED, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0451

Evaporative Emission Control Sys-
tem Pressure Sensor

<Ref. to GD(H4SO)-121, DTC P0451 EVAPORATIVE EMISSION CONTROL 
SYSTEM PRESSURE SENSOR, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0452

Evaporative Emission Control Sys-
tem Pressure Sensor Low Input

<Ref. to GD(H4SO)-123, DTC P0452 EVAPORATIVE EMISSION CONTROL 
SYSTEM PRESSURE SENSOR LOW INPUT, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0453

Evaporative Emission Control Sys-
tem Pressure Sensor High Input

<Ref. to GD(H4SO)-125, DTC P0453 EVAPORATIVE EMISSION CONTROL 
SYSTEM PRESSURE SENSOR HIGH INPUT, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

DTC

Item

Note

GD(H4SO)-5

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P0456

Evaporative Emission Control Sys-
tem Leak Detected (Very Small Leak)

<Ref. to GD(H4SO)-126, DTC P0456 EVAPORATIVE EMISSION CONTROL 
SYSTEM LEAK DETECTED (VERY SMALL LEAK), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P0457

Evaporative Emission Control Sys-
tem Leak Detected (Fuel Cap Loose/
Off)

<Ref. to GD(H4SO)-126, DTC P0457 EVAPORATIVE EMISSION CONTROL 
SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF), Diagnostic Trouble 
Code (DTC) Detecting Criteria.>

P0458

Evaporative Emission System Purge 
Control Valve Circuit Low

<Ref. to GD(H4SO)-127, DTC P0458 EVAPORATIVE EMISSION SYSTEM 
PURGE CONTROL VALVE CIRCUIT LOW, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0459

Evaporative Emission System Purge 
Control Valve Circuit High

<Ref. to GD(H4SO)-128, DTC P0459 EVAPORATIVE EMISSION SYSTEM 
PURGE CONTROL VALVE CIRCUIT HIGH, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0461

Fuel Level Sensor “A” Circuit Range/
Performance

<Ref. to GD(H4SO)-129, DTC P0461 FUEL LEVEL SENSOR “A” CIRCUIT 
RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0462

Fuel Level Sensor “A” Circuit Low

<Ref. to GD(H4SO)-131, DTC P0462 FUEL LEVEL SENSOR “A” CIRCUIT 
LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0463

Fuel Level Sensor “A” Circuit High

<Ref. to GD(H4SO)-133, DTC P0463 FUEL LEVEL SENSOR “A” CIRCUIT 
HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0464

Fuel Level Sensor Circuit Intermittent

<Ref. to GD(H4SO)-135, DTC P0464 FUEL LEVEL SENSOR CIRCUIT 
INTERMITTENT, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0500

Vehicle Speed Sensor “A”

<Ref. to GD(H4SO)-138, DTC P0500 VEHICLE SPEED SENSOR “A”, Diag-
nostic Trouble Code (DTC) Detecting Criteria.>

P0506

Idle Air Control System RPM Lower 
Than Expected

<Ref. to GD(H4SO)-139, DTC P0506 IDLE AIR CONTROL SYSTEM RPM 
LOWER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0507

Idle Air Control System RPM Higher 
Than Expected

<Ref. to GD(H4SO)-140, DTC P0507 IDLE AIR CONTROL SYSTEM RPM 
HIGHER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P0512

Starter Request Circuit

<Ref. to GD(H4SO)-141, DTC P0512 STARTER REQUEST CIRCUIT, Diag-
nostic Trouble Code (DTC) Detecting Criteria.>

P0513

Incorrect Immobilizer Key

<Ref. to GD(H4SO)-142, DTC P0513 INCORRECT IMMOBILIZER KEY, Diag-
nostic Trouble Code (DTC) Detecting Criteria.>

P0600

Serial Communication Link

<Ref. to GD(H4SO)-143, DTC P0600 SERIAL COMMUNICATION LINK, Diag-
nostic Trouble Code (DTC) Detecting Criteria.>

P0604

Internal Control Module Random 
Access Memory (RAM) Error

<Ref. to GD(H4SO)-145, DTC P0604 INTERNAL CONTROL MODULE RAN-
DOM ACCESS MEMORY (RAM) ERROR, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P0605

Internal Control Module Read Only 
Memory (ROM) Error

<Ref. to GD(H4SO)-146, DTC P0605 INTERNAL CONTROL MODULE READ 
ONLY MEMORY (ROM) ERROR, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0607

Throttle Control System Circuit 
Range/Performance

<Ref. to GD(H4SO)-147, DTC P0607 THROTTLE CONTROL SYSTEM CIR-
CUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting 
Criteria.>

P0638

Throttle Actuator Control Range/Per-
formance (Bank 1)

<Ref. to GD(H4SO)-149, DTC P0638 THROTTLE ACTUATOR CONTROL 
RANGE/PERFORMANCE (BANK 1), Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P0700

Transmission Control System (Mil 
Request)

<Ref. to GD(H4SO)-151, DTC P0700 TRANSMISSION CONTROL SYSTEM 
(MIL REQUEST), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0851

Park/Neutral Switch Input Circuit Low 
(AT Model)

<Ref. to GD(H4SO)-152, DTC P0851 PARK/NEUTRAL SWITCH INPUT CIR-
CUIT LOW (AT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0851

Neutral Switch Input Circuit Low 
(MT Model)

<Ref. to GD(H4SO)-153, DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT 
LOW (MT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

P0852

Park/Neutral Switch Input Circuit High 
(AT Model)

<Ref. to GD(H4SO)-154, DTC P0852 PARK/NEUTRAL SWITCH INPUT CIR-
CUIT HIGH (AT MODEL), Diagnostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

Note