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Home >> Saab >> 2011 >> 9-5 Turbo6 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting And Signaling Systems >> Fault diagnosis, fault codes >> DTC B3890: Trailer Backup Lamps Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

B3890 02 

The trailer lighting converter detects a short to ground on the control circuit.

B3890 04 

The trailer lighting converter detects an open control circuit.

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