Speedometer - Reads Fast
87cadillac8Bulletin No. T-88 41
File in Group 8
Number 68
Corp. Ref. No. 718104
Date Nov. '87
SUBJECT: SPEEDOMETER READS FAST
MODELS AFFECTED: 1986-1987 ELDORADOS AND SEVILLES
Some 1986 and 1987 Eldorados and Sevilles may experience one or more of the following conditions:
^ Speedometer reads between 2 and 6 miles per hour fast at 55 mph.
^ Numbers appear after driver information center messages.
^ "UNLEADED FUEL ONLY" indicator does not appear below the fuel gage.
^ "W=621" indicator appears to the right of the speed reading.
These conditions may be caused by a grounded export strap, circuit 945. Check for a short to ground on circuit 945 at BCM pin 1D1. If circuit 945 is shorted, repair by removing pin 1D1 from the BCM. For warranty purposes, use Labor Operation N6360 at .5 hour.