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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 162 (MODULE COMMUNICATIONS NETWORK SYSTEM)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 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The differential electronic module (DEM) does not respond to the diagnostic tool	Circuit or connection in the high speed controller area network (CAN) DEM	GO to PINPOINT TEST A .
The anti-lock brake system (ABS) module does not respond to the diagnostic tool	Circuit or connection in the high speed controller area network (CAN) ABS module	GO to PINPOINT TEST B .
The transmission control module (TCM) does not respond to the diagnostic tool - continuously variable transaxle (CVT)	Circuit or connection in the high speed controller area network (CAN) TCM	GO to PINPOINT TEST C .
The transmission control module (TCM) does not respond to the diagnostic tool - 6-speed transaxle	Circuit or connection in the high speed controller area network (CAN) TCM	GO to PINPOINT TEST D .
The instrument cluster does not respond to the diagnostic tool	Circuit or connection in the high speed controller area network (CAN) Circuit or connection in the medium speed CAN Instrument cluster	GO to PINPOINT TEST E .
The powertrain control module (PCM) does not respond to the diagnostic tool	Circuit or connection in the high speed controller area network (CAN) PCM	GO to PINPOINT TEST F .
The restraint control module (RCM) does not respond to the diagnostic tool	Circuit or connection in the high speed controller area network (CAN) RCM	GO to PINPOINT TEST G .
The audio unit does not respond to the diagnostic tool	Circuit or connection in the medium speed controller area network (CAN) Audio unit	GO to PINPOINT TEST H .
The driver seat module (DSM) does not respond to the diagnostic tool	Circuit or connection in the medium speed controller area network (CAN) DSM	GO to PINPOINT TEST I .
The dual automatic temperature control (DATC) module does not respond to the diagnostic tool	Circuit or connection in the medium speed controller area network (CAN) DATC module	GO to PINPOINT TEST J .
The digital versatile disc (DVD) player does not respond to the diagnostic tool	Circuit or connection in the medium speed controller area network (CAN) DVD player	GO to PINPOINT TEST K .
The smart junction box (SJB) does not respond to the diagnostic tool	Circuit or connection in the medium speed controller area network (CAN) SJB	GO to PINPOINT TEST N .
The parking aid module (PAM) does not respond to the diagnostic tool	Circuit or connection in the international standards organization (ISO) 9141 communications network PAM	GO to PINPOINT TEST L .
No international standards organization (ISO) 9141 communications network communication	Circuit or connection in the ISO 9141 communications network Parking aid module (PAM)	GO to PINPOINT TEST L .
No high speed controller area network (CAN) communication	Circuit or connection in the high speed CAN Anti-lock brake system (ABS) module Differential electronic module (DEM) (if equipped) Instrument cluster Powertrain control module (PCM) Restraint control module (RCM) Transmission control module (TCM) - 6-speed transaxle TCM - continuously variable transaxle (CVT)	GO to PINPOINT TEST M .
No medium speed controller area network (CAN) communication	Circuit or connection in the medium speed CAN Audio unit Digital versatile disc (DVD) player (if equipped) Driver seat module (DSM) (if equipped) Dual automatic temperature control (DATC) module (if equipped) Instrument cluster Smart junction box (SJB)	GO to PINPOINT TEST N .
No module/network communication - no power to the diagnostic tool	Data link connector (DLC) C251 Smart junction box (SJB) fuse 9 (20A) Circuitry Diagnostic tool	GO to PINPOINT TEST O .

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.