Volkswagen New Beetle. Manual - part 1953

DIAGNOSTIC TROUBLE CODE P1450-P1452 

DIAGNOSTIC TROUBLE CODE P1471-P1476 

DIAGNOSTIC TROUBLE CODE P1500-P1541 

(AIR) pump relay -J299- 

short circuit to B+

P1435

Secondary Air Injection 

(AIR) pump relay -J299- 

short circuit to Ground 

(GND)

SAE-
DTC

DTC text

Corrective action

P1450

Secondary Air Injection System Circ., 

Short to B+

z

Check activation of Secondary Air Injection 

(AIR) Pump Relay -J299-. 

P1451

Secondary Air Injection System Circ., 

Short to Ground

P1452

Secondary Air Injection System, Open 

Circ.

SAE-
DTC

DTC text

Corrective action

P1471

EVAP Emission Contr. LDP Circ., 

Short to B+

z

Check Leak Detection Pump (LDP) -V144-. See 

CHECK LEAK DETECTION PUMP (LDP) . 

z

EVAP canister system, check for proper seal. 

See EVAP CANISTER SYSTEM, 

CHECKING FOR PROPER SEAL . 

P1472

EVAP Emission Contr. LDP Circ., 

Short to Ground

P1473

Leak Detection Pump (LDP) tank 

ventilation system open circuit

P1475

Leak Detection Pump (LDP) for tank 

ventilation system, malfunction / no 

signal

P1476

Leak Detection Pump (LDP) tank 

ventilation system malfunction/vacuum 

too low

SAE-
DTC

DTC text

Corrective action

P1500

Fuel Pump (FP) Relay -J17- electrical 

malfunction in circuit

z

Check activation of Fuel Pump (FP) Relay -J17-

according to wiring diagram: 

See appropriate System Wiring Diagram article.

P1501

Fuel Pump Relay Circ., Short to 

Ground

P1502

Fuel Pump Relay Circ., Short to B+

P1541

Fuel Pump (FP) Relay -J17- open 

circuit

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1542-P1580

DIAGNOSTIC TROUBLE CODE P1582 

Control module and output signals 

SAE-
DTC

DTC text

Corrective action

P1542

Angle sensor -1- for throttle drive 

(power accelerator actuation) -G187-, 

implausible signal

z

Check Throttle Valve Control Module -J338-. 

See THROTTLE VALVE CONTROL 

MODULE, CHECKING . 

P1543

Angle sensor -1- for throttle drive 

(power accelerator actuation) -G187-, 

signal too small

P1544

Angle sensor -1- for throttle drive 

(power accelerator actuation) -G187-, 

signal too large

P1545

Throttle valve regulation, malfunction

P1558

Throttle Actuator, Electrical 

Malfunction

P1559

Throttle Valve Control Module -J338-, 

malfunction in basic setting

P1565

Throttle Valve Control Module -J338- 

lower limit not attained

P1580

Throttle Actuator B1 Malfunction

SAE-
DTC

DTC text

Corrective action

P1582

Idle 

Adaption at 

Limit

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING . 

z

Check intake air system for leaks (false air). See INTAKE SYSTEM FOR 

LEAKS (FALSE AIR), CHECKING . 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel 

Injector -N33-). See FUEL INJECTORS, CHECKING . 

z

Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -

N80-. See EVAPORATIVE EMISSION (EVAP) CANISTER PURGE 

REGULATOR VALVE, CHECKING . 

z

Check exhaust system for proper seal. See EXHAUST SYSTEM 

EMISSION CONTROLS . 

z

Check Secondary Air Injection (AIR) system for proper seal. See 

SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FOR 

PROPER SEAL . 

z

Check vacuum lines for leaks 

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1626 - P1634

DIAGNOSTIC TROUBLE CODE P1635-P1681 

SAE-
DTC

DTC text

Corrective action

P1626

Data-Bus Powertrain, 

Missing Message from 

TCM.

z

Check terminal resistance for CAN-Bus. See CHECKING 

TERMINAL RESISTANCE FOR CAN - BUS 

(VEHICLES WITH ENGINE CODE AVH, AZG, BDC) . 

P1630

Throttle Position (TP) 

sensor -G79- signal too 

small

z

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

accelerator pedal position -G185-. See THROTTLE 

POSITION (TP) SENSOR, CHECKING . 

P1631

Throttle Position (TP) 

Sensor -G79- signal too 

large

P1633

Sender -2- for accelerator 

pedal position -G185- 

signal too small

P1634

Sender -2- for accelerator 

pedal position -G185- 

signal too large

SAE-
DTC

DTC text

Corrective action

P1635

Data -Bus Powertrain, missing 

message from air condition control

z

Check terminal resistance for CAN-Bus. See 

CHECKING TERMINAL RESISTANCE FOR 

CAN - BUS (VEHICLES WITH ENGINE CODE 

AVH, AZG, BDC) . 

P1639

Throttle Position (TP) sensor -G79- 

and sender -2- for accelerator pedal 
position -G185-, implausible signal

z

Check Throttle Position (TP) Sensor -G79- and 

Sender -2- for accelerator pedal position -G185-. See 

THROTTLE POSITION (TP) SENSOR, 

CHECKING . 

P1640

Control module faulty

z

Replace Motronic Engine Control Module (ECM) -

J220-. See REPLACING ENGINE CONTROL 

MODULE (ECM) . 

P1648

Data Bus Powertrain, defect

z

Check terminal resistance for CAN-Bus. See 

CHECKING TERMINAL RESISTANCE FOR 

CAN - BUS (VEHICLES WITH ENGINE CODE 

AVH, AZG, BDC) . 

P1649

Powertrain CAN-bus missing 

message from ABS control module

P1650

Data Bus Powertrain, missing 

message from instrument panel 

ECM

P1681

Contr. Unit Programming, 

Programming not Finished

z

Replace Motronic Engine Control Module (ECM) -

J220-. See REPLACING ENGINE CONTROL 

MODULE (ECM) . 

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1691-P1693

SAE P2xxx-DTCs 

Fuel and air mixture and additional emission regulations 

DIAGNOSTIC TROUBLE CODE P2096-P2097 

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODE P2101-P2138 

SAE-
DTC

DTC text

Corrective action

P1691

Malfunction Indicator 

Lamp, Open

z

Check emissions Malfunction Indicator Lamp (MIL) -K83-. See 

MALFUNCTION INDICATOR LAMP (MIL) IN 

INSTRUMENT CLUSTER, CHECKING . 

P1692

Malfunction Indicator 

Lamp, Short to 

Ground

P1693

Malfunction Indicator 

Lamp, Short to B+

SAE-
DTC

DTC text

Corrective action

P2096 Post Catalyst Fuel 

Trim System Too 

Lean, 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 . 

P2097 Post Catalyst Fuel 

Trim System Too 

Rich Bank 1

SAE-
DTC

DTC text

Corrective action

P2101

Throttle Actuator Control Motor 

Circuit Range/Performance

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING . 

P2106

Throttle Actuator Control 

System - Forced Limited Power

P2122

Throttle/Pedal Position 

Sensor/Switch "D" Circuit Low 

Input

z

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

-2- for accelerator pedal position -G185-. See 

THROTTLE POSITION (TP) SENSOR, 

CHECKING . 

P2123

Throttle/Pedal Position 

Sensor/Switch "D" Circuit High 

Input

P2127

Throttle/Pedal Position 

Sensor/Switch "E" Circuit Low 

 

2003 Volkswagen New Beetle GLS 

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