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Home >> Volvo >> 2004 >> V40 Base >> Repair and Diagnosis >> Engine Performance >> System >> Dynamic Stability Assist (DSA) & Engine Control Module (ECM) Diagnostic Trouble Codes >> DSA-212: Stop (Brake) Lamp Switch. Faulty Signal. Intermittent Fault (B4204T2 CVVT; 2000) >> Diagnostic trouble code (DTC) information

Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Stop (Brake) Lamp Switch
GLL115958Courtesy of VOLVO CARS OF NORTH AMERICA.

The DSA control module terminal is grounded via the stop lamp bulbs when the stop lamp switch is unaffected. The DSA control module (and bulbs) are supplied with battery voltage when the stop light switch is activated. Diagnostic trouble code (DTC) DSA-212 is stored if the DSA control module registers, when the engine is running, that there is no ground connection via the bulbs, or that the signal (voltage) during braking is lower than battery voltage as a result of a drop in the voltage supply.

Substitute Value 

The DSA function is disengaged.

Possible Source 

Fault symptom[s]