Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 314

GD(H4DOTC)-8

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P1449

Evaporative Emission Cont. Sys.
Air Filter Clog

<Ref. to GD(H4DOTC)-213, DTC P1449 EVAPORATIVE EMISSION CONT.
SYS. AIR FILTER CLOG, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P1451

Evaporative Emission Cont. Sys.

<Ref. to GD(H4DOTC)-215, DTC P1451 EVAPORATIVE EMISSION CONT.
SYS., Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2004

Intake Manifold Runner Control
Stuck Open (Bank 1)

<Ref. to GD(H4DOTC)-216, DTC P2004 INTAKE MANIFOLD RUNNER
CONTROL STUCK OPEN (BANK 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2005

Intake Manifold Runner Control
Stuck Open (Bank 2)

<Ref. to GD(H4DOTC)-217, DTC P2005 INTAKE MANIFOLD RUNNER
CONTROL STUCK OPEN (BANK 2), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2006

Intake Manifold Runner Control
Stuck Closed (Bank 1)

<Ref. to GD(H4DOTC)-218, DTC P2006 INTAKE MANIFOLD RUNNER
CONTROL STUCK CLOSED (BANK 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2007

Intake Manifold Runner Control
Stuck Closed (Bank 2)

<Ref. to GD(H4DOTC)-219, DTC P2007 INTAKE MANIFOLD RUNNER
CONTROL STUCK CLOSED (BANK 2), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2008

Intake Manifold Runner Control
Circuit / Open (Bank 1)

<Ref. to GD(H4DOTC)-220, DTC P2008 INTAKE MANIFOLD RUNNER
CONTROL CIRCUIT / OPEN (BANK 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2009

Intake Manifold Runner Control
Circuit Low (Bank 1)

<Ref. to GD(H4DOTC)-222, DTC P2009 INTAKE MANIFOLD RUNNER
CONTROL CIRCUIT LOW (BANK 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2011

Intake Manifold Runner Control
Circuit / Open (Bank 2)

<Ref. to GD(H4DOTC)-223, DTC P2011 INTAKE MANIFOLD RUNNER
CONTROL CIRCUIT / OPEN (BANK 2), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2012

Intake Manifold Runner Control
Circuit Low (Bank 2)

<Ref. to GD(H4DOTC)-225, DTC P2012 INTAKE MANIFOLD RUNNER
CONTROL CIRCUIT LOW (BANK 2), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2016

Tumble Generated Valve Position
Sensor 1 Circuit Low

<Ref. to GD(H4DOTC)-226, DTC P2016 TUMBLE GENERATED VALVE
POSITION SENSOR 1 CIRCUIT LOW, Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2017

Intake Manifold Runner Position
Sensor / Switch Circuit High (Bank
1)

<Ref. to GD(H4DOTC)-228, DTC P2017 TUMBLE GENERATED VALVE
POSITION SENSOR 1 CIRCUIT HIGH, Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2021

Tumble Generated Valve Position
Sensor 2 Circuit Low

<Ref. to GD(H4DOTC)-230, DTC P2021 TUMBLE GENERATED VALVE
POSITION SENSOR 2 CIRCUIT LOW, Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2022

Intake Manifold Runner Position
Sensor / Switch Circuit High (Bank
2)

<Ref. to GD(H4DOTC)-232, DTC P2022 TUMBLE GENERATED VALVE
POSITION SENSOR 2 CIRCUIT HIGH, Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2088

Intake Camshaft Position Actuator
Control Circuit Low (Bank 1)

<Ref. to GD(H4DOTC)-234, DTC P2088 INTAKE CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT LOW (BANK 1), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2089

Intake Camshaft Position Actuator
Control Circuit High (Bank 1)

<Ref. to GD(H4DOTC)-235, DTC P2089 INTAKE CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT HIGH (BANK 1), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2090

Exhaust Camshaft Position Actua-
tor Control Circuit Low (Bank 1)

<Ref. to GD(H4DOTC)-236, DTC P2090 EXHAUST CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT LOW (BANK 1), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2091

Exhaust Camshaft Position Actua-
tor Control Circuit High (Bank 1)

<Ref. to GD(H4DOTC)-237, DTC P2091 EXHAUST CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT HIGH (BANK 1), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2092

Intake Camshaft Position Actuator
Control Circuit Low (Bank 2)

<Ref. to GD(H4DOTC)-238, DTC P2092 INTAKE CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT LOW (BANK 2), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

DTC

Item

Note

GD(H4DOTC)-9

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P2093

Intake Camshaft Position Actuator
Control Circuit High (Bank 2)

<Ref. to GD(H4DOTC)-238, DTC P2093 INTAKE CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT HIGH (BANK 2), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2094

Exhaust Camshaft Position Actua-
tor Control Circuit Low (Bank 2)

<Ref. to GD(H4DOTC)-238, DTC P2094 EXHAUST CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT LOW (BANK 2), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2095

Exhaust Camshaft Position Actua-
tor Control Circuit High (Bank 2)

<Ref. to GD(H4DOTC)-238, DTC P2095 EXHAUST CAMSHAFT POSITION
ACTUATOR CONTROL CIRCUIT HIGH (BANK 2), Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2096

Post Catalyst Fuel Trim System
Too Lean (Bank 1)

<Ref. to GD(H4DOTC)-239, DTC P2096 POST CATALYST FUEL TRIM
SYSTEM TOO LEAN (BANK 1), Diagnostic Trouble Code (DTC) Detecting
Criteria.>

P2097

Post Catalyst Fuel Trim System
Too Rich (Bank 1)

<Ref. to GD(H4DOTC)-241, DTC P2097 POST CATALYST FUEL TRIM
SYSTEM TOO RICH (BANK 1), Diagnostic Trouble Code (DTC) Detecting
Criteria.>

P2101

Throttle Actuator Control Motor Cir-
cuit Range/Performance

<Ref. to GD(H4DOTC)-243, DTC P2101 THROTTLE ACTUATOR CON-
TROL MOTOR CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2102

Throttle Actuator Control Motor Cir-
cuit Low

<Ref. to GD(H4DOTC)-245, DTC P2102 THROTTLE ACTUATOR CON-
TROL MOTOR CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting
Criteria.>

P2103

Throttle Actuator Control Motor Cir-
cuit High

<Ref. to GD(H4DOTC)-247, DTC P2103 THROTTLE ACTUATOR CON-
TROL MOTOR CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting
Criteria.>

P2109

Throttle/Pedal Position Sensor “A”
Minimum Stop Performance

<Ref. to GD(H4DOTC)-249, DTC P2109 THROTTLE/PEDAL POSITION
SENSOR “A” MINIMUM STOP PERFORMANCE, Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2119

Throttle Actuator Control Throttle
Body Range/Performance

<Ref. to GD(H4DOTC)-251, DTC P2119 THROTTLE ACTUATOR CON-
TROL THROTTLE BODY RANGE/PERFORMANCE, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2122

Throttle/Pedal Position Sensor/
Switch “D” Circuit Low Input

<Ref. to GD(H4DOTC)-255, DTC P2122 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “D” CIRCUIT LOW INPUT, Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2123

Throttle/Pedal Position Sensor/
Switch “D” Circuit High Input

<Ref. to GD(H4DOTC)-257, DTC P2123 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “D” CIRCUIT HIGH INPUT, Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2127

Throttle/Pedal Position Sensor/
Switch “E” Circuit Low Input

<Ref. to GD(H4DOTC)-259, DTC P2127 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “E” CIRCUIT LOW INPUT, Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2128

Throttle/Pedal Position Sensor/
Switch “E” Circuit High Input

<Ref. to GD(H4DOTC)-261, DTC P2128 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “E” CIRCUIT HIGH INPUT, Diagnostic Trouble Code
(DTC) Detecting Criteria.>

P2135

Throttle/Pedal Position Sensor/
Switch “A”/“B” Voltage Correlation

<Ref. to GD(H4DOTC)-263, DTC P2135 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “A”/“B” VOLTAGE CORRELATION, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2138

Throttle/Pedal Position Sensor/
Switch “D”/“E” Voltage Correlation

<Ref. to GD(H4DOTC)-265, DTC P2138 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “D”/“E” VOLTAGE CORRELATION, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2195

O2 Sensor Signal Biased/Stuck
Lean (Bank 1 Sensor 1)

<Ref. to GD(H4DOTC)-267, DTC P2195 O2 SENSOR SIGNAL BIASED/
STUCK LEAN (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>

P2196

O2 Sensor Signal Biased/Stuck
Rich (Bank 1 Sensor 1)

<Ref. to GD(H4DOTC)-269, DTC P2196 O2 SENSOR SIGNAL BIASED/
STUCK RICH (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>

P219A

Bank 1 Air-Fuel Ratio Imbalance

<Ref. to GD(H4DOTC)-271, DTC P219A BANK 1 AIR-FUEL RATIO IMBAL-
ANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

Note

GD(H4DOTC)-10

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P2257

Air System Control "A" Circuit Low

<Ref. to GD(H4DOTC)-274, DTC P2257 AIR SYSTEM CONTROL "A" CIR-
CUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2258

Air System Control "A" Circuit High <Ref. to GD(H4DOTC)-275, DTC P2258 AIR SYSTEM CONTROL "A" CIR-

CUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2401

Evaporative Emission System
Leak Detection Pump Control Cir-
cuit Low

<Ref. to GD(H4DOTC)-276, DTC P2401 EVAPORATIVE EMISSION SYS-
TEM LEAK DETECTION PUMP CONTROL CIRCUIT LOW, Diagnostic Trou-
ble Code (DTC) Detecting Criteria.>

P2402

Evaporative Emission System
Leak Detection Pump Control Cir-
cuit High

<Ref. to GD(H4DOTC)-278, DTC P2402 EVAPORATIVE EMISSION SYS-
TEM LEAK DETECTION PUMP CONTROL CIRCUIT HIGH, Diagnostic
Trouble Code (DTC) Detecting Criteria.>

P2404

Evaporative Emission System
Leak Detection Pump Sense Cir-
cuit Range/Performance

<Ref. to GD(H4DOTC)-279, DTC P2404 EVAPORATIVE EMISSION SYS-
TEM LEAK DETECTION PUMP SENSE CIRCUIT RANGE/PERFOR-
MANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2419

Evaporative Emission System
Switching Valve Control Circuit
Low

<Ref. to GD(H4DOTC)-280, DTC P2419 EVAPORATIVE EMISSION SYS-
TEM SWITCHING VALVE CONTROL CIRCUIT LOW, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2420

Evaporative Emission System
Switching Valve Control Circuit
High

<Ref. to GD(H4DOTC)-282, DTC P2420 EVAPORATIVE EMISSION SYS-
TEM SWITCHING VALVE CONTROL CIRCUIT HIGH, Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2431

Secondary Air Injection System Air
Flow /Pressure Sensor Circuit
Range/Performance

<Ref. to GD(H4DOTC)-284, DTC P2431 SECONDARY AIR INJECTION
SYSTEM AIR FLOW /PRESSURE SENSOR CIRCUIT RANGE/PERFOR-
MANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2432

Secondary Air Injection System Air
Flow /Pressure Sensor Circuit Low

<Ref. to GD(H4DOTC)-285, DTC P2432 SECONDARY AIR INJECTION
SYSTEM AIR FLOW /PRESSURE SENSOR CIRCUIT LOW, Diagnostic
Trouble Code (DTC) Detecting Criteria.>

P2433

Secondary Air Injection System Air
Flow /Pressure Sensor Circuit High

<Ref. to GD(H4DOTC)-286, DTC P2433 SECONDARY AIR INJECTION
SYSTEM AIR FLOW /PRESSURE SENSOR CIRCUIT HIGH, Diagnostic
Trouble Code (DTC) Detecting Criteria.>

P2440

Secondary Air Injection System
Switching Valve Stuck Open
(Bank1)

<Ref. to GD(H4DOTC)-287, DTC P2440 SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE STUCK OPEN (BANK1), Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2441

Secondary Air Injection System
Switching Valve Stuck Closed
(Bank1)

<Ref. to GD(H4DOTC)-287, DTC P2441 SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE STUCK CLOSED (BANK1), Diagnostic Trou-
ble Code (DTC) Detecting Criteria.>

P2442

Secondary Air Injection System
Switching Valve Stuck Open
(Bank2)

<Ref. to GD(H4DOTC)-287, DTC P2442 SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE STUCK OPEN (BANK2), Diagnostic Trouble
Code (DTC) Detecting Criteria.>

P2443

Secondary Air Injection System
Switching Valve Stuck Closed
(Bank2)

<Ref. to GD(H4DOTC)-287, DTC P2443 SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE STUCK CLOSED (BANK2), Diagnostic Trou-
ble Code (DTC) Detecting Criteria.>

P2444

Secondary Air Injection System
Pump Stuck On

<Ref. to GD(H4DOTC)-288, DTC P2444 SECONDARY AIR INJECTION
SYSTEM PUMP STUCK ON, Diagnostic Trouble Code (DTC) Detecting Cri-
teria.>

P2610

ECM/PCM Internal Engine Off
Timer Performance

<Ref. to GD(H4DOTC)-289, DTC P2610 ECM/PCM INTERNAL ENGINE
OFF TIMER PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting
Criteria.>

U0073

CAN Failure, Bus ‘Off’ Detection

<Ref. to GD(H4DOTC)-297, DTC U0073 CAN FAILURE, BUS ‘OFF’ DETEC-
TION, Diagnostic Trouble Code (DTC) Detecting Criteria.>

U0122

CAN (VDC) Data Not Loaded

<Ref. to GD(H4DOTC)-298, DTC U0122 CAN (VDC) DATA NOT LOADED,
Diagnostic Trouble Code (DTC) Detecting Criteria.>

U0140

CAN (BCU) Data Not Loaded

<Ref. to GD(H4DOTC)-298, DTC U0140 CAN (BCU) DATA NOT LOADED,
Diagnostic Trouble Code (DTC) Detecting Criteria.>

U0416

CAN (VDC) Data Abnormal

<Ref. to GD(H4DOTC)-299, DTC U0416 CAN (VDC) DATA ABNORMAL,
Diagnostic Trouble Code (DTC) Detecting Criteria.>

U0422

CAN (BCU) Data Abnormal

<Ref. to GD(H4DOTC)-299, DTC U0422 CAN (BCU) DATA ABNORMAL,
Diagnostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

Note

GD(H4DOTC)-11

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

2. Diagnostic Trouble Code (DTC) Detecting Criteria

A: DTC B1570 ANTENNA

1. OUTLINE OF DIAGNOSIS

2. ENABLE CONDITIONS

When starting the engine.

3. GENERAL DRIVING CYCLE

Perform the diagnosis only after starting the engine.

4. DIAGNOSTIC METHOD

Judge as NG when the conditions for the outline of the diagnosis of the top are established.

B: DTC B1571 REFERENCE CODE INCOMPATIBILITY

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC B1570. <Ref. to GD(H4DOTC)-11, DTC B1570 ANTENNA, Diag-

nostic Trouble Code (DTC) Detecting Criteria.>

C: DTC B1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT)

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC B1570. <Ref. to GD(H4DOTC)-11, DTC B1570 ANTENNA, Diag-

nostic Trouble Code (DTC) Detecting Criteria.>

D: DTC B1574 KEY COMMUNICATION FAILURE

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC B1570. <Ref. to GD(H4DOTC)-11, DTC B1570 ANTENNA, Diag-

nostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

OUTLINE OF DIAGNOSIS

B1570

Antenna

Faulty antenna

B1571

Reference Code Incompatibility

Reference code incompatibility between body integrated unit and
ECM

B1572

IMM Circuit Failure (Except
Antenna Circuit)

Communication failure between body integrated unit and ECM

B1574

Key Communication Failure

The body integrated unit to confirm the key (transponder) ID code
has malfunction, of the transponder is faulty.

B1575

Incorrect Immobilizer Key

Incorrect immobilizer key (Use of unregistered key in body inte-
grated unit)

B1576

EGI Control Module EEPROM

ECM malfunctioning

B1577

IMM Control Module EEPROM

Body integrated unit malfunctioning

B1578

Meter Failure

Reference code incompatibility between combination meter and
body integrated unit