A4 2.8L Diagnostic Trouble Code Identification

A4 2.8L DTC IDENTIFICATION

Generic Scan Tool Code

VAG 1551 Code

Malfunction/Affected Sensor Or Circuit

P0102⁽¹⁾

⁽¹⁾16486

MAF Circuit Low Input

P0103⁽¹⁾

⁽¹⁾16487

MAF Circuit High Input

P0112⁽¹⁾

⁽¹⁾16496

Intake Air Temperature Circuit Low Input

P0113⁽¹⁾

⁽¹⁾16497

Intake Air Temperature Circuit High Input

P0116⁽¹⁾

⁽¹⁾16500

ECT Circuit Range/Performance Problem

P0117⁽¹⁾

⁽¹⁾16501

ECT Circuit Low Input

P0118⁽¹⁾

⁽¹⁾16502

ECT Circuit High Input

P0121⁽¹⁾

⁽¹⁾16505

TP Sensor Circuit Range/Performance Problem

P0122⁽¹⁾

⁽¹⁾16506

TP Sensor Circuit Low Input

P0123⁽¹⁾

⁽¹⁾16507

TP Sensor Circuit High Input

P0130⁽¹⁾

⁽¹⁾16514

HO2S Circuit Malfunction (Bank 1, Sensor 1)

P0131⁽¹⁾

⁽¹⁾16515

HO2S Circuit Low Voltage (Bank 1, Sensor 1)

P0132⁽¹⁾

⁽¹⁾16516

HO2S Circuit High Voltage (Bank 1, Sensor 1)

P0133⁽¹⁾

⁽¹⁾16517

HO2S Circuit Slow Response (Bank 1, Sensor 1)

P0134⁽¹⁾

⁽¹⁾16518

HO2S Circuit No Activity Detected (Bank 1, Sensor 1)

P0136⁽¹⁾

⁽¹⁾16520

HO2S Circuit Malfunction (Bank 1, Sensor 2)

P0137⁽¹⁾

⁽¹⁾16521

HO2S Circuit Low Voltage (Bank 1, Sensor 2)

P0138⁽¹⁾

⁽¹⁾16522

HO2S Circuit High Voltage (Bank 1, Sensor 2)

P0140⁽¹⁾

⁽¹⁾16524

HO2S Circuit No Activity Detected (Bank 1, Sensor 2)

P0150⁽¹⁾

⁽¹⁾16534

HO2S Circuit Malfunction (Bank 2, Sensor 1)

P0151⁽¹⁾

⁽¹⁾16535

HO2S Circuit Low Voltage (Bank 2, Sensor 1)

P0152⁽¹⁾

⁽¹⁾16536

HO2S Circuit High Voltage (Bank 2, Sensor 1)

P0153⁽¹⁾

⁽¹⁾16537

HO2S Circuit Slow Response (Bank 2, Sensor 1)

P0154⁽¹⁾

⁽¹⁾16538

HO2S Circuit No Activity Detected (Bank 2, Sensor 1)

P0156⁽¹⁾

⁽¹⁾16540

HO2S Circuit Malfunction (Bank 2, Sensor 2)

P0157⁽¹⁾

⁽¹⁾16541

HO2S Circuit Low Voltage (Bank 2, Sensor 2)

P0158⁽¹⁾

⁽¹⁾16542

HO2S Circuit High Voltage (Bank 2, Sensor 2)

P0160⁽¹⁾

⁽¹⁾16544

HO2S Circuit No Activity Detected (Bank 2, Sensor 2)

P0300⁽²⁾

⁽²⁾16684

Random/Multiple Misfire Detected

P0301⁽²⁾

⁽²⁾16685

Cylinder No. 1 Misfire Detected

P0302⁽²⁾

⁽²⁾16686

Cylinder No. 2 Misfire Detected

P0303⁽²⁾

⁽²⁾16687

Cylinder No. 3 Misfire Detected

P0304⁽²⁾

⁽²⁾16688

Cylinder No. 4 Misfire Detected

P0305⁽²⁾

⁽²⁾16689

Cylinder No. 5 Misfire Detected

P0306⁽²⁾

⁽²⁾16690

Cylinder No. 6 Misfire Detected

P0321⁽¹⁾

⁽¹⁾16705

Ignition Engine Speed Input Circuit Range/Performance

P0322⁽³⁾

⁽³⁾16706

Ignition Engine Speed Input Circuit No Signal

P0327⁽³⁾

⁽³⁾16711

Knock Sensor No. 1 Circuit Low Input

P0328⁽³⁾

⁽³⁾16712

Knock Sensor No. 1 Circuit High Input

P0332⁽³⁾

⁽³⁾16716

Knock Sensor No. 2 Circuit Low Input

P0333⁽³⁾

⁽³⁾16717

Knock Sensor No. 2 Circuit High Input

P0411⁽¹⁾

⁽¹⁾16795

Secondary Air Injection System Incorrect Flow Detected

P0422⁽¹⁾

⁽¹⁾16806

Main Catalyst Efficiency Below Threshold (Bank 1)

P0432⁽¹⁾

⁽¹⁾16816

Main Catalyst Efficiency Below Threshold (Bank 2)

P0441⁽⁴⁾

⁽⁴⁾16825

EVAP Emission Control System Incorrect Purge Flow

P0442⁽⁴⁾

⁽⁴⁾16826

EVAP Emission Control System Small Leak Detected

P0455⁽⁴⁾

⁽⁴⁾16839

EVAP Emission Control System Gross Leak Detected

P0501⁽¹⁾

⁽¹⁾16885

Vehicle Speed Sensor Range/Performance

P0506⁽¹⁾

⁽¹⁾16890

Idle Control System RPM Lower Than Expected

P0507⁽¹⁾

⁽¹⁾16891

Idle Control System RPM Higher Than Expected

P0601⁽¹⁾

⁽¹⁾16985

Internal Controller Module Memory Check Sum Error

P0604⁽¹⁾

⁽¹⁾16988

Internal Controller Module Memory RAM Error

P1102⁽¹⁾

⁽¹⁾17510

HO2S Heater Circuit Short to B+ (Bank 1, Sensor 1)

P1105⁽¹⁾

⁽¹⁾17513

HO2S Heater Circuit Short to B+ (Bank 1, Sensor 2)

P1107⁽¹⁾

⁽¹⁾17515

HO2S Heater Circuit Short To B+ (Bank 2, Sensor 1)

P1110⁽¹⁾

⁽¹⁾17518

HO2S Heater Circuit Short To B+ (Bank 2, Sensor 2)

P1127⁽¹⁾

⁽¹⁾17535

Long Term Fuel Trim Multiplicative Too Rich (Bank 1)

P1128⁽¹⁾

⁽¹⁾17536

Long Term Fuel Trim Multiplicative Too Lean (Bank 1)

P1129⁽¹⁾

⁽¹⁾17537

Long Term Fuel Trim Multiplicative Too Rich (Bank 2)

P1130⁽¹⁾

⁽¹⁾17538

Long Term Fuel Trim Multiplicative Too Lean (Bank 2)

P1136⁽¹⁾

⁽¹⁾17544

Long Term Fuel Trim Additive Too Lean (Bank 1)

P1137⁽¹⁾

⁽¹⁾17545

Long Term Fuel Trim Additive Too Rich (Bank 1)

P1138⁽¹⁾

⁽¹⁾17546

Long Term Fuel Trim Additive Too Lean (Bank 2)

P1139⁽¹⁾

⁽¹⁾17547

Long Term Fuel Trim Additive Too Rich (Bank 2)

P1141⁽¹⁾

⁽¹⁾17549

Load Calculation Cross Check Range/Performance

P1176⁽⁴⁾

⁽⁴⁾17584

O2 Correction Behind Catalyst B1 Limit Attained

P1177⁽⁴⁾

⁽⁴⁾17585

O2 Correction Behind Catalyst B2 Limit Attained

P1196⁽¹⁾

⁽¹⁾17604

O2 Sensor Heater Circuit Electrical Malfunction (Bank 1, Sensor 1)

P1197⁽¹⁾

⁽¹⁾17605

O2 Sensor Heater Circuit Electrical Malfunction (Bank 2, Sensor 1)

P1198⁽¹⁾

⁽¹⁾17606

O2 Sensor Heater Circuit Electrical Malfunction (Bank 1, Sensor 2)

P1199⁽¹⁾

⁽¹⁾17607

O2 Sensor Heater Circuit Electrical Malfunction (Bank 2, Sensor 2)

P1213⁽³⁾

⁽³⁾17621

Cylinder No. 1 Fuel Injector Circuit Short To B+

P1214⁽³⁾

⁽³⁾17622

Cylinder No. 2 Fuel Injector Circuit Short To B+

P1215⁽³⁾

⁽³⁾17623

Cylinder No. 3 Fuel Injector Circuit Short To B+

P1216⁽³⁾

⁽³⁾17624

Cylinder No. 4 Fuel Injector Circuit Short To B+

P1217⁽³⁾

⁽³⁾17625

Cylinder No. 5 Fuel Injector Circuit Short To B+

P1218⁽³⁾

⁽³⁾17626

Cylinder No. 6 Fuel Injector Circuit Short To B+

P1225⁽³⁾

⁽³⁾17633

Cylinder No. 1 Fuel Injector Circuit Short To Ground

P1226⁽³⁾

⁽³⁾17634

Cylinder No. 2 Fuel Injector Circuit Short To Ground

P1227⁽³⁾

⁽³⁾17635

Cylinder No. 3 Fuel Injector Circuit Short To Ground

P1228⁽³⁾

⁽³⁾17636

Cylinder No. 4 Fuel Injector Circuit Short To Ground

P1229⁽³⁾

⁽³⁾17637

Cylinder No. 5 Fuel Injector Circuit Short To Ground

P1230⁽³⁾

⁽³⁾17638

Cylinder No. 6 Fuel Injector Circuit Short To Ground

P1237⁽³⁾

⁽³⁾17645

Cylinder No. 1 Fuel Injector Open Circuit

P1238⁽³⁾

⁽³⁾17646

Cylinder No. 2 Fuel Injector Open Circuit

P1239⁽³⁾

⁽³⁾17647

Cylinder No. 3 Fuel Injector Open Circuit

P1240⁽³⁾

⁽³⁾17648

Cylinder No. 4 Fuel Injector Open Circuit

P1241⁽³⁾

⁽³⁾17649

Cylinder No. 5 Fuel Injector Open Circuit

P1242⁽³⁾

⁽³⁾17650

Cylinder No. 6 Fuel Injector Open Circuit

P1250⁽⁴⁾

⁽⁴⁾17658

Fuel Level Too Low

P1325⁽⁴⁾

⁽⁴⁾17733

Cylinder No. 1 Knock Control Limit Attained

P1326⁽⁴⁾

⁽⁴⁾17734

Cylinder No. 2 Knock Control Limit Attained

P1327⁽⁴⁾

⁽⁴⁾17735

Cylinder No. 3 Knock Control Limit Attained

P1328⁽⁴⁾

⁽⁴⁾17736

Cylinder No. 4 Knock Control Limit Attained

P1329⁽⁴⁾

⁽⁴⁾17737

Cylinder No. 5 Knock Control Limit Attained

P1330⁽⁴⁾

⁽⁴⁾17738

Cylinder No. 6 Knock Control Limit Attained

P1337⁽¹⁾

⁽¹⁾17745

Camshaft Position Sensor Short To Ground (Bank 1)

P1338⁽¹⁾

⁽¹⁾17746

Camshaft Position Sensor Open Circuit Or Short To B+ (Bank 1)

P1386⁽¹⁾

⁽¹⁾17794

Internal Control Module Knock Control Circuit Error

P1391⁽¹⁾

⁽¹⁾17799

Camshaft Position (CMP) Sensor Short To Ground (Bank 2)

P1392⁽¹⁾

⁽¹⁾17800

Camshaft Position (CMP) Sensor Open Circuit Or Short To B+ (Bank 2)

P1410⁽¹⁾

⁽¹⁾17818

Fuel Tank Ventilation Valve Circuit Short To B+

P1421⁽³⁾

⁽³⁾17829

Secondary Air Injection Valve Circuit Short To Ground

P1422⁽³⁾

⁽³⁾17830

Secondary Air Injection System Control Valve Circuit Short To B+

P1425⁽¹⁾

⁽¹⁾17833

Tank Vent Valve Short To Ground

P1426⁽¹⁾

⁽¹⁾17834

Tank Vent Valve Open

P1432⁽¹⁾

⁽¹⁾17840

Secondary Air Injection Valve Open

P1433⁽¹⁾

⁽¹⁾17841

Secondary Air Injection System Pump Relay Circuit Open

P1434⁽¹⁾

⁽¹⁾17842

Secondary Air Injection System Pump Relay Circuit Short To B+

P1435⁽¹⁾

⁽¹⁾17843

Secondary Air Injection System Pump Relay Circuit Short To Ground

P1436⁽¹⁾

⁽¹⁾17844

Secondary Air Injection System Pump Relay Circuit Electrical Malfunction

P1471⁽⁴⁾

⁽⁴⁾17879

EVAP Emission Control LDP Circuit Short To B+

P1472⁽⁴⁾

⁽⁴⁾17880

EVAP Emission Control LDP Circuit Short To Ground

P1473⁽⁴⁾

⁽⁴⁾17881

EVAP Emission Control LDP Open Circuit

P1476⁽⁴⁾

⁽⁴⁾17884

EVAP Emission Control LDP Circuit Malfunction/Insufficient Vacuum

P1477⁽⁴⁾

⁽⁴⁾17885

EVAP Emission Control LDP Circuit Malfunction

P1500⁽³⁾

⁽³⁾17908

Fuel Pump Relay Circuit Electrical Malfunction

P1501⁽³⁾

⁽³⁾17909

Fuel Pump Relay Circuit Short To Ground

P1502⁽³⁾

⁽³⁾17910

Fuel Pump Relay Circuit Short To B+

P1505⁽¹⁾

⁽¹⁾17913

CTP Switch Does Not Close (Open Circuit)

P1512⁽³⁾

⁽³⁾17920

Intake Manifold Change-Over Valve Circuit Short To B+

P1515⁽³⁾

⁽³⁾17923

Intake Manifold Change-Over Valve Circuit Short To Ground

P1516⁽³⁾

⁽³⁾17924

Intake Manifold Change-Over Valve Circuit Open

P1519⁽¹⁾

⁽¹⁾17927

Intake Camshaft Control Malfunction (Bank 1)

P1522⁽¹⁾

⁽¹⁾17930

Intake Camshaft Control Malfunction (Bank 2)

P1543⁽¹⁾

⁽¹⁾17951

Throttle Actuation Potentiometer Signal Too Low

P1544⁽¹⁾

⁽¹⁾17952

Throttle Actuation Potentiometer Signal Too High

P1545⁽¹⁾

⁽¹⁾17953

Throttle Position Control Malfunction

P1558⁽¹⁾

⁽¹⁾17966

Throttle Actuator Electrical Malfunction

P1559⁽⁴⁾

⁽⁴⁾17967

Idle Speed Control Throttle Position Adaptation Malfunction

P1560⁽⁴⁾

⁽⁴⁾17968

Maximum Engine Speed Exceeded

P1564⁽⁴⁾

⁽⁴⁾17972

Idle Speed Control Throttle Position Low Voltage During Adaptation

P1565⁽¹⁾

⁽¹⁾17973

Idle Speed Control Throttle Position Lower Impact Not Attained

P1600⁽³⁾

⁽³⁾18008

Power Supply (B+) Terminal 15 Low Voltage

P1602⁽⁴⁾

⁽⁴⁾18010

Power Supply (B+) Terminal 30 Low Voltage

P1606⁽⁴⁾

⁽⁴⁾18014

Rough Road/Acceleration Specification Engine Torque ABS-PCM Electrical Malfunction

P1612⁽³⁾

⁽³⁾18020

PCM Incorrectly Coded (Vehicle With A/T Is Coded For M/T)

P1612⁽⁴⁾

⁽⁴⁾18020

PCM Incorrectly Coded (Vehicle With ASR Is Not Coded For ASR)

P1624⁽³⁾

⁽³⁾18032

MIL Request Signal Active

P1626⁽¹⁾

⁽¹⁾18034

CAN Bus Missing Message From Transmission Controller

P1640⁽¹⁾

⁽¹⁾18048

Internal Controller Module (EEPROM) Error

P1681⁽³⁾

⁽³⁾18089

Controller Unit Programming Not Finished

P1690⁽⁴⁾

⁽⁴⁾18098

MIL Malfunction

⁽¹⁾	MIL is switched on after 2 trips.

⁽²⁾	MIL is switched on after 2 trips or will blink.

⁽³⁾	MIL is switched on immediately.

⁽⁴⁾	MIL is not switched on.