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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Dynamic Stability Assist (DSA) & Electronic Control Module (ECM) Diagnostic Trouble Codes (644 Body)) >> DSA-131: Torque Reduction Signal. Faulty Signal. Permanent Fault (B4204T2 CVVT; 2000) >> Faulty signal. Permanent fault >> Fault cause and checking for contact resistance and oxidation

Fault cause and checking for contact resistance and oxidation

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic trouble code (DTC) was poor contact in the engine control module (ECM) and or the DSA control module connectors.

Check the connectors for contact resistance and oxidation and remedy according to Contact resistance and oxidation .

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