Volkswagen New Beetle. Manual - part 1951

 

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Volkswagen New Beetle. Manual - part 1951

 

 

DIAGNOSTIC TROUBLE CODE P1127 

DIAGNOSTIC TROUBLE CODE P1128 

P1103

Bank 1 -sensor 

1, heating 

circuit, output 

too low

CONVERTER (TWC), CHECKING 

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 

P1105

Bank 1 -sensor 

2, heating circuit 

short to B+

z

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

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC 

CONVERTER (TWC), CHECKING 

P1115

Bank 1 -sensor 

1, heating circuit 

short to Ground

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 

CONVERTER (TWC), CHECKING 

P1116

Bank 1 -sensor 

1, heating circuit 

open

P1117

Bank 1 -sensor 

2, heating circuit 

short to Ground

z

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

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC 

CONVERTER (TWC), CHECKING 

P1118

Bank 1 -sensor 

2, heating circuit 

open

SAE-
DTC

DTC text

Corrective action

P1127

Bank 1, mixture 

adaptation (mult.) 

System too rich

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

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 

SAE-
DTC

DTC text

Corrective action

P1128

Bank 1, mixture 

adaptation (mult.) 

System too lean

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

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

4 Fuel Injector -N33-). See FUEL INJECTORS, 

CHECKING 

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1136 

DIAGNOSTIC TROUBLE CODE P1137 

z

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

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP)

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 

SAE-
DTC

DTC text

Corrective action

P1136

Bank 1, mixture 

adaptation (add.) 

system too lean

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 Pump (FP) -G6-. See CHECK FUEL PUMP (FP) 

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 

NOTE:

add = additive, means that malfunction is only valid at closed throttle (idle).

SAE-
DTC

DTC text

Corrective action

P1137

Bank 1, mixture 

adaptation (add.) 

system too rich

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

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 

NOTE:

add = additive, means that malfunction is only valid at closed throttle (idle).

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1141-P1143

DIAGNOSTIC TROUBLE CODE P1151 

DIAGNOSTIC TROUBLE CODE P1152 

SAE-
DTC

DTC text

Corrective action

P1141

Load detection 

implausible value

z

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

FLOW (MAF) SENSOR, CHECKING 

z

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

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

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 

P1142

Load detection, 

lower limit not 

reached

P1143

Load detection limit 

exceeded

SAE-
DTC

DTC text

Corrective action

P1151

Bank 1, Long Term Fuel 

Trim, Range 1, Leanness 

Lower Limit Exceeded

z

Check fuel pressure regulator and residual pressure. See 

FUEL PRESSURE REGULATOR AND RESIDUAL 

PRESSURE, CHECKING 

z

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

Cylinder 4 Fuel Injector -N33-). See FUEL INJECTORS, 

CHECKING 

z

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

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP 

(FP) 

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 

SAE-
DTC

DTC text

Corrective action

P1152

Bank 1, Long Term Fuel 

Trim, Range 2, Leanness 

Lower Limit Exceeded

z

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

Cylinder 4 Fuel Injector -N33-). See FUEL INJECTORS, 

CHECKING 

z

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

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP 

 

2003 Volkswagen New Beetle GLS 

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

  

DIAGNOSTIC TROUBLE CODE P1165-P1173 

DIAGNOSTIC TROUBLE CODE P1176 

(FP) 

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 

SAE-
DTC

DTC text

Corrective action

P1165

Bank 1, mixture adaptation, 

area 1, richness limit 

exceeded

z

Check fuel pressure regulator and residual pressure. See 

FUEL PRESSURE REGULATOR AND RESIDUAL 

PRESSURE, 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 

P1166

Bank 1, mixture adaptation, 

area 2, richness limit 

exceeded

P1171

Throttle Actuation 

Potentiometer Sign.2, 

Range/Performance

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING 

P1172

Throttle Actuation 

Potentiometer Sign.2, Signal 

too low

P1173

Throttle Actuation 

Potentiometer Sign.2, Signal 

too high

SAE-
DTC

DTC text

Corrective action

P1176 Bank 1 oxygen sensor 

correction behind cat. 

control limit reached

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 intake air system for leaks (false air). See INTAKE 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

Content   ..  1949  1950  1951  1952   ..