Test F: Right Front Belt & Buckle Assembly PRETENSIONER Circuit Short To Ground (DTC B1880): Description
WARNING: This page is about a different car, the 2003 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
Electronic Crash Sensor (ECS) module monitors voltage on ECS module connector terminals No. 26 (circuit No. 1081, Yellow/Red wire) and No. 27 (circuit No. 1082, Yellow/Black wire). If ECS module detects short to ground on either terminal, it will store Diagnostic Trouble Code (DTC) B1880 in memory and flash Code 18 on Air Bag warning light.