LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 1999 >> Regal LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Analog >> Diagnostic Tests >> DTC U1040: Loss Of EBCM/EBTCM Communication >> Diagnostic Aids

Diagnostic Aids

The following conditions may cause an intermittent DTC: intermittent open or short to ground in circuit No. 1122 (Light Blue wire) or poor connections at instrument cluster or EBCM/EBTCM.