REEL ADDICTION Posted September 29, 2012 Share Posted September 29, 2012 07 ctp713 can u please tell me what does these codes mean Quote Link to comment https://www.bigmacktrucks.com/topic/27555-please-help-me-with-these-codes/ Share on other sites More sharing options...
staxx Posted September 29, 2012 Share Posted September 29, 2012 Each one of those number is assigned to a module you need to click on each one to get the code 128= engine module ect. get the other half of code and see what we can do. Quote Link to comment https://www.bigmacktrucks.com/topic/27555-please-help-me-with-these-codes/#findComment-139577 Share on other sites More sharing options...
REEL ADDICTION Posted September 30, 2012 Author Share Posted September 30, 2012 Quote Link to comment https://www.bigmacktrucks.com/topic/27555-please-help-me-with-these-codes/#findComment-139765 Share on other sites More sharing options...
staxx Posted September 30, 2012 Share Posted September 30, 2012 140 173 6 = Insterment cluster exhaust temp current below normal or grounded circuit128 35 9 = Engine exhaust gas recirculation EGR mass flow rate abnormal128 412 9 = Engine exhaust gas recirculation temp abnormal undate rateLooks like you have a issue with mass flow pipe and sensors, but I would check engine ecu module connections for contamination first. These trucks are not easy to fix without a computer hooked up to see what is really going on. Good luck Quote Link to comment https://www.bigmacktrucks.com/topic/27555-please-help-me-with-these-codes/#findComment-139769 Share on other sites More sharing options...
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