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Home >> Volvo >> 2002 >> S60 Base, 2.4 61, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 10 Of 14 >> ECM-720A: Immobilizer Communication. Faulty Communication (B5244S; 2001-2006) >> Faulty communication >> Checking >> Checking wiring

Checking wiring

The engine control module (ECM) has registered that the +15-supply to the ignition switch has been missing 3 times during the same driving cycle.

HINT: Check the function of the ignition switch and the wiring at terminal 15, between the ignition switch and the engine control module (ECM), according to the relevant wiring diagram. 

Remedy as necessary.

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