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B1420 Diagnostic Trouble Code Discussion for May 2011

device voltage fault


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Trouble Ticket Help Requests for DTC B1420
Help Request Posted
2005 GMC Savana 3500 6.0L Hesitation, Surge, Cuts out VIN: 1GDUJG31U9
B1420: device voltage fault. thanks in advance to any one that can help. i have this cube truck that is driving me crazy. vehicle came into the shop 3 weeks ago with abs light coming on when turning. and very intermitant hesitation on accel.found corroded connection to LF speed sensor. ve...
May 19, 2011
2005 GMC Savana 3500 6.0L Hesitation, Surge, Cuts out VIN: 1GDUJG31U9
B1420: device voltage fault. thanks in advance to any one that can help. i have this cube truck that is driving me crazy. vehicle came into the shop 3 weeks ago with abs light coming on when turning. and very intermitant hesitation on accel.found corroded connection to LF speed sensor. ve...
May 19, 2011