Volkswagen New Beetle. Manual - part 1987

Ignition system 

DIAGNOSTIC TROUBLE CODE P1300 

DIAGNOSTIC TROUBLE CODE P1335 - P1340 

DTC

DTC text

Corrective action

P1255

Engine Coolant Temp. 

Sensor Circ. Short to 

Ground

z

Check Engine Coolant Temperature (ECT) Sensor -G62-. See 
ENGINE COOLANT TEMPERATURE (ECT) SENSOR, 

CHECKING . 

z

Check thermostat: 

See COOLING SYSTEM COMPONENTS -ENGINE 

SIDE, REMOVING AND INSTALLING .

P1256

Engine Coolant Temp. 

Sensor Circ. Open/Short to 

B+

P1296

Malfunction in cooling 

system

z

Check Engine Coolant Temperature (ECT) Sensor -G62-. See 
ENGINE COOLANT TEMPERATURE (ECT) SENSOR, 

CHECKING . 

z

Check thermostat: 

See COOLING SYSTEM COMPONENTS -ENGINE 

SIDE, REMOVING AND INSTALLING .

SAE-
DTC

DTC text

Corrective action

P1300

Misfire detected, Reason: 

Fuel level too low

z

Fuel level less than 2 gallons, add fuel to tank 

z

Check signal from sender for fuel gauge -G-. 

z

Check wire connection between Engine Control Module 

(ECM) and instrument cluster according to wiring diagram: 

See appropriate System Wiring Diagram article.

SAE-
DTC

DTC text

Corrective action

P1335

Engine torque monitoring 2 

control limit exceeded

z

Check Mass Air Flow (MAF) Sensor -G70-. See 

MASS AIR FLOW (MAF) SENSOR, CHECKING . 

P1336 Engine torque monitoring control 

limit exceeded

z

Check Engine Coolant Temperature (ECT) Sensor -

G62-. See ENGINE COOLANT TEMPERATURE 

(ECT) SENSOR, CHECKING . 

z

Check Intake Air Temperature (IAT) Sensor -G42-. See 

CHECKING INTAKE AIR TEMPERATURE 

(IAT) SENSOR . 

P1340

Camshaft/Crankshaft Position 

Sensor Signals Out of Sequence

z

Check Camshaft Position (CMP) Sensor -G40-. See 

CHECK CAMSHAFT POSITION (CMP) 

 

2003 Volkswagen New Beetle GLS 

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

  

Additional emissions regulation 

DIAGNOSTIC TROUBLE CODE P1410-P1426 

DIAGNOSTIC TROUBLE CODE P1432-P1435 

SENSOR . 

z

Check Engine Speed (RPM) Sensor -G28-. See 

CHECK ENGINE SPEED (RPM) SENSOR . 

SAE-
DTC

DTC text

Corrective action

P1410

Tank Ventilation Valve 

Circ., Short to B+

z

Check Evaporative Emission (EVAP) Canister Purge 

Regulator Valve -N80-. See EVAPORATIVE EMISSION 

(EVAP) CANISTER PURGE REGULATOR VALVE, 

CHECKING . 

P1420

Secondary Air Injection 

(AIR) solenoid valve -

N112- electrical 

malfunction in 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 . 

P1421

Secondary Air Injection 

(AIR) solenoid valve - 

N112- short circuit to 

Ground (GND)

P1422

Secondary Air Injection 

(AIR) solenoid valve - 

N112- short circuit to B+

P1424

Bank 1, Secondary Air 

Injection (AIR) system, leak 

detected

z

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

See SECONDARY AIR INJECTION (AIR) SYSTEM, 

CHECKING FOR PROPER SEAL . 

P1425

Tank Vent. Valve, Short to 

Ground

z

Check Evaporative Emission (EVAP) Canister Purge 

Regulator Valve -N80-. See EVAPORATIVE EMISSION 

(EVAP) CANISTER PURGE REGULATOR VALVE, 

CHECKING . 

P1426

EVAP canister purge 

regulator valve -N80- open 

circuit

SAE-
DTC

DTC text

Corrective action

P1432

Secondary Air Injection 

(AIR) solenoid valve -

N112- open 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 . 

P1433

Secondary Air Injection 

(AIR) pump relay -J299- 

open circuit

z

Check activation of Secondary Air Injection (AIR) Pump 

Relay -J299-. 

P1434

Secondary Air Injection 

 

2003 Volkswagen New Beetle GLS 

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

  

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