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 MANUALSVOLKSWAGEN2013BEETLE BASE, 2D HATCHBACK, 2.5L ENG VIN X, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 1326 (MODULE COMMUNICATIONS NETWORK)DIAGNOSIS AND TESTINGCOMMUNICATIONS NETWORKSYMPTOM CHART

2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Automatic Trans

Symptom Chart

2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Automatic TransSECTION Symptom Chart

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The vehicle does not start with the scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the scan tool is connected to the DLC .	Wiring, terminals or connectors Scan tool	GO to PINPOINT TEST W .
The PCM does not respond to the scan tool	Fuse Wiring, terminals or connectors PCM	GO to PINPOINT TEST A .
The ABS module does not respond to the scan tool	Fuse Wiring, terminals or connectors ABS module	GO to PINPOINT TEST B .
The Instrument Cluster (IC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IC	GO to PINPOINT TEST C .
The 4X4 control module does not respond to the scan tool	Fuse Wiring, terminals or connectors 4X4 control module	GO to PINPOINT TEST D .
The Restraints Control Module (RCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors RCM	GO to PINPOINT TEST E .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors OCSM	GO to PINPOINT TEST F .
The Power Steering Control Module (PSCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PSCM	GO to PINPOINT TEST G .
The Transmission Control Module (TCM) does not respond to the scan tool (hybrid)	Fuse Wiring, terminals or connectors TCM	GO to PINPOINT TEST H .
The Battery Control Module (BCM) does not respond to the scan tool (hybrid)	Fuse Wiring, terminals or connectors BCM	GO to PINPOINT TEST I .
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	GO to PINPOINT TEST J .
The Air Conditioning Compressor Module (ACCM) does not respond to the scan tool (hybrid)	Fuse Wiring, terminals or connectors ACCM	GO to PINPOINT TEST K .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	GO to PINPOINT TEST L .
The Global Positioning System Module (GPSM) module does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to PINPOINT TEST M .
The Front Display Interface Module (FDIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FDIM	GO to PINPOINT TEST N .
The Front Controls Interface Module (FCIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCIM	GO to PINPOINT TEST O .
The Audio Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	GO to PINPOINT TEST P .
The Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	GO to PINPOINT TEST Q .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	GO to PINPOINT TEST R .
Intermittent no High Speed Controller Area Network (HS-CAN) communication, communication can be intermittently established	Wiring, terminals or connectors	GO to PINPOINT TEST S .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors 4X4 control module (if equipped) ABS module ACCM (hybrid) APIM (if equipped) IC OCSM PCM PAM (if equipped) PSCM RCM BCM (hybrid) TCM (hybrid)	GO to PINPOINT TEST T .
Intermittent no Medium Speed Controller Area Network (MS-CAN) communication, communication can be intermittently established	Wiring, terminals or connectors	GO to PINPOINT TEST U .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ACM APIM (if equipped) FCIM (if equipped) FDIM GPSM (if equipped) HVAC module IC SJB	GO to PINPOINT TEST V .
No power to the scan tool	Fuse Wiring, terminals or connectors DLC Scan tool	GO to PINPOINT TEST W .

RENDER: 1.0x

NO RELATED

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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.