LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM), Accessory USB Unit (AUU), And Central Electronic Module (CEM) Diagnostic Trouble Codes >> AEM-6C54: Alarm Output S0. Signal Too Low Or Signal Missing (2007-2013) >> Signal Too Low Or Signal Missing >> Checking The Component And Wiring
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Checking The Component And Wiring

Check the signal cable for alarm output S0. Check between accessory electronic module (AEM) terminal #B33 and the connector for the alarm unit. Check for a short-circuit to ground. Check for an open-circuit.

Remedy as necessary.

Other information: 

Fig 1: Accessory Electronic Module Ground Terminals
GLL106164Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION