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B1440 Diagnostic Trouble Code Discussion for October 2013

Ign 0 voltage loss to BCM


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Trouble Ticket Help Requests for DTC B1440
Help Request Posted
2003 Chevrolet Suburban 2500 LT 6.0L No Start VIN: 3GNGK26U43
B1440: monitored ignition switch circuits has malfunctioned. customer had this towed in for a no start, i got in it and it started right up. so i let it run outside for a while and it never quit. i then took it around the block and i was almost back to the shop when it started surging and quit at a stop sign. i cranked ...
October 19, 2013
2003 Chevrolet Suburban 2500 LT 6.0L No Start VIN: 3GNGK26U43
B1440: monitored ignition switch circuits has malfunctioned. customer had this towed in for a no start, i got in it and it started right up. so i let it run outside for a while and it never quit. i then took it around the block and i was almost back to the shop when it started surging and quit at a stop sign. i cranked ...
October 21, 2013
2003 Chevrolet Suburban 2500 LT 6.0L No Start VIN: 3GNGK26U43
B1440: monitored ignition switch circuits has malfunctioned. customer had this towed in for a no start, i got in it and it started right up. so i let it run outside for a while and it never quit. i then took it around the block and i was almost back to the shop when it started surging and quit at a stop sign. i cranked ...
October 19, 2013
2003 Chevrolet Suburban 2500 LT 6.0L No Start VIN: 3GNGK26U43
B1440: monitored ignition switch circuits has malfunctioned. customer had this towed in for a no start, i got in it and it started right up. so i let it run outside for a while and it never quit. i then took it around the block and i was almost back to the shop when it started surging and quit at a stop sign. i cranked ...
October 21, 2013