Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2002NEW BEETLE GL, 1.9 PREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEM1.9L - GENERIC SCAN TOOL - ENGINE CODE(S): ALH & BEW (HATCHBACK)
2002 Volkswagen New Beetle GL, 1.9 P
1.9L - Generic Scan Tool - Engine Code(S): ALH & BEW (Hatchback)
2002 Volkswagen New Beetle GL, 1.9 PSECTION 1.9L - Generic Scan Tool - Engine Code(S): ALH & BEW (Hatchback)
- St Generic Scan Tool
- OBD, General Information
- Diagnostic Modes
- Notes
- Diagnostic Mode 01 - Read Current System Data
- Diagnostic Mode 02 - Read Operating Conditions
- Diagnostic Mode 03 - Read DTC Memory
- Diagnostic Mode 04 - Erase DTC Memory
- Diagnostic Mode 06 - Read Test Results For Specific Diagnostic Functions
- Notes
- TID 09 ($09): Dynamic plausibility of coolant temperature sensor
- TID 10 ($10): Start-Stop positions test of quantity adjuster
- TID 11 ($11): Dynamic plausibility of fuel temperature sensor
- TID 12 ($12): Plausibility of boost pressure sensor with atmospheric pressure sensor
- TID 01 ($01): Oxygen Sensor Monitoring
- TID 31 ($31): Exhaust Gas Recirculation (EGR)
- Diagnostic Mode 07 - Read Faults Detected During The Current Or Last Driving Cycle
- Diagnostic Mode 09 - Read Vehicle Information
- General Diagnosis
- Readiness Code
- Diagnostic Trouble Code Tables
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.