Volkswagen New Beetle. Manual - part 1950

DIAGNOSTIC TROUBLE CODE P0351-P0354 

Additional emissions regulation 

DIAGNOSTIC TROUBLE CODE P0411 

SAE-
DTC

DTC text

Corrective action

P0340

Camshaft Position Sensor "A" Circuit, 

Bank 1 or Single Sensor

z

Check Camshaft Position (CMP) Sensor -G40-

. See CHECK CAMSHAFT POSITION 

(CMP) SENSOR . 

P0341

Camshaft Position Sensor "A" Circuit 
Range/Performance, Bank 1 or Single 

Sensor

P0342

Camshaft Position Sensor "A" Circuit 

Low, Bank 1 or Single Sensor

P0343

Camshaft Position Sensor "A" Circuit 

High, Bank 1 or Single Sensor

SAE-
DTC

DTC text

Corrective action

P0351

Ignition Coil "A" 

Primary/Secondary 

Circuit

Vehicles with engine code AEG: 

z

Check Ignition Coil -N152-. See CHECKING IGNITION 

COIL (VEHICLES WITH ENGINE CODE AEG) . 

Vehicles with engine code AVH, AZG, BDC

z

Check ignition coils with power output stages (-N70-, -N127-, -

N291-, -N292-). See CHECKING IGNITION COILS WITH 

POWER OUTPUT STAGES (VEHICLES WITH ENGINE 

CODE AVH, AZG, BDC) . 

P0352

Ignition Coil "B" 

Primary/Secondary 

Circuit

P0353

Ignition Coil "C" 

Primary/Secondary 

Circuit

P0354

Ignition Coil "D" 

Primary/Secondary 

Circuit

SAE-
DTC

DTC text

Corrective action

P0411

Secondary Air 

Injection System 

Incorrect Flow 

Detected

z

Check Secondary Air Injection (AIR) Pump Motor -V101-. See 

SECONDARY AIR INJECTION (AIR) PUMP MOTOR, 

CHECKING . 

z

Check hoses and connecting pipes to and between components. 

See SECONDARY AIR INJECTION (AIR) SYSTEM, 

CHECKING FOR PROPER SEAL . 

z

Check combination valve. See COMBINATION VALVE, 

CHECKING . 

Vehicles with engine code AEG:

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0412-P0422 

DIAGNOSTIC TROUBLE CODE P0440-P0456 

z

Check Secondary Air Injection (AIR) Solenoid Valve -N112-. See 

SECONDARY AIR INJECTION (AIR) SOLENOID VALVE 

(VEHICLES WITH ENGINE CODE AEG UP TO 05.99), 

CHECKING . 

SAE-
DTC

DTC text

Corrective action

P0412 Secondary Air Injection 

System Switching 

Valve "A" Circuit

z

Check Secondary Air Injection (AIR) Solenoid Valve -N112-. 

See SECONDARY AIR INJECTION (AIR) SOLENOID 

VALVE (VEHICLES WITH ENGINE CODE AEG UP TO 

05.99), CHECKING . 

P0413 Secondary Air Injection 

System Switching 

Valve "A" Circuit Open

P0414 Secondary Air Injection 

System Switching 

Valve "A" Circuit 

Shorted

P0418 Secondary Air Injection 

System Control "A" 

Circuit

z

Check activation of Secondary Air Injection (AIR) Pump Relay -

J299-

P0420

Catalyst System 

Efficiency Below 

Threshold, Bank 1

z

Check Oxygen Sensor (O2S) and oxygen sensor control before 

Three Way Catalytic Converter (TWC). See CHECK OXYGEN 

SENSOR AND OXYGEN SENSOR REGULATION 

BEFORE CATALYTIC CONVERTER . 

z

Check Oxygen Sensor (O2S) and oxygen sensor control behind 

Three Way Catalytic Converter (TWC). See CHECK OXYGEN 

SENSOR AND OXYGEN SENSOR REGULATION 

BEHIND CATALYTIC CONVERTER . 

z

Check catalytic converter. See CATALYTIC CONVERTER, 

CHECKING . 

P0422

Main Catalyst 

Efficiency Below 

Threshold, Bank 1

SAE-
DTC

DTC text

Corrective action

P0440

Evaporative Emission 

System

z

Check Evaporative Emission (EVAP) Canister Purge 

Regulator Valve -N80-. See EVAPORATIVE EMISSION 

(EVAP) CANISTER PURGE REGULATOR VALVE, 

CHECKING . 

z

EVAP canister system, check for proper seal. See EVAP 

CANISTER SYSTEM, CHECKING FOR PROPER 

SEAL . 

P0441

Evaporative Emission 

System Incorrect Purge 

Flow

P0442

Evaporative Emission 

System Leak Detected 

(small leak)

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

Speed and idle control 

DIAGNOSTIC TROUBLE CODE P0501-P0510 

Control module and output signals 

DIAGNOSTIC TROUBLE CODE P0600-P0606 

P0444

Evaporative Emission 
System Purge Control 

Valve Circuit Open

P0445

Evaporative Emission 
System Purge Control 
Valve Circuit Shorted

P0455

Evaporative Emission 

System Leak Detected 

(large leak)

P0456

Evaporative Emission 

System Leak Detected 

(very small leak)

SAE-
DTC

DTC text

Corrective action

P0501

Vehicle Speed Sensor "A" 

Range/Performance

z

Check speed signal. See SPEED SIGNAL, 

CHECKING . 

P0506

Idle Air Control System RPM 

Lower Than Expected

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING . 

P0507

Idle Air Control System RPM 

Higher Than Expected

P0510

Closed Throttle Position Switch

SAE-
DTC

DTC text

Corrective action

P0600

Serial Communication Link

z

Check terminal resistance for CAN-Bus. See CHECKING 

TERMINAL RESISTANCE FOR CAN - BUS 

(VEHICLES WITH ENGINE CODE AVH, AZG, 

BDC) . 

P0601

Internal Control Module 

Memory Check Sum Error

z

Replace Motronic Engine Control Module (ECM) -J220-. 

See REPLACING ENGINE CONTROL MODULE 

(ECM) . 

P0602

Control Module 

Programming Error

P0604

Internal Control Module 

Random Access Memory 

(RAM) Error

P0605

Internal Control Module 

Read Only Memory (ROM) 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0638 - P0687 

transmission 

DIAGNOSTIC TROUBLE CODE P0704 

SAE P1xxx-DTCs 

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODE P1102-P1118 

Error

P0606

ECM/PCM Processor

SAE-
DTC

DTC text

Corrective action

P0638

Throttle Actuator Control 

Range/Performance, Bank 1

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING . 

z

Check Throttle Position (TP) Sensor -G79- and Sender -2-

for accelerator pedal position -G185-. See THROTTLE 

POSITION (TP) SENSOR, CHECKING . 

P0650

Malfunction Indicator Lamp 

(MIL) Control Circuit

z

Check emissions Malfunction Indicator Lamp (MIL) -K83-

. See MALFUNCTION INDICATOR LAMP (MIL) IN 

INSTRUMENT CLUSTER, CHECKING . 

P0685

ECM/PCM Power Relay 

Control Circuit /Open

z

Check voltage supply of Motronic Engine Control Module 

(ECM) -J220-. See VOLTAGE SUPPLY FOR ENGINE 

CONTROL MODULE (ECM) . 

z

Check Activation of Motronic Engine Control Module 

(ECM) Power Supply Relay -J271- according to wiring 

diagram: 

See appropriate System Wiring Diagram article.

P0686

ECM/PCM Power Relay 

Control Circuit Low

P0687

ECM/PCM Power Relay 

Control Circuit High

SAE-
DTC

DTC text

Corrective action

P0704

Clutch Switch Input 

Circuit Malfunction

z

Check signal from Clutch Vacuum Vent Valve Switch -F36-. See 

CHECKING SIGNAL FROM CLUTCH VACUUM VENT 

VALVE SWITCH . 

SAE-
DTC

DTC text

Corrective action

P1102 Bank 1-sensor 1, 

heating circuit 

short to B+

z

Check oxygen sensor heater for Oxygen Sensor (O2S) before Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle