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Pete, GMC Technician
Category: GM
Satisfied Customers: 29118
Experience:  14 years GM dealership technician and training.
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Truck going in limp mode with a p0106 code, yes, 2006 C5500

Customer Question

truck going in limp mode with a p0106 code
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: yes
JA: What is the model/year of your GM?
Customer: 2006 C5500 with a duramax diesel
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes, changed air filter, looked for breaks in the harness, changed map sensor, changed map sensor plug, cleaned soote from turbo
JA: Anything else you want the mechanic to know before I connect you?
Customer: had it to 4 mechanics and no one can find out what is wrong
Submitted: 1 month ago.
Category: GM
Expert:  Pete replied 1 month ago.

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

This issue here can be due to a fault with intake air flow restricted or the engine computer in some cases with all that has been done here already.The diagnostic testing needs to be done below to see if the fault can be pinpointed.I know there were issues with the engine harness running along the top of the engine on some models and the harness rubbed into the hood and had to be repaired and shims installed to lift the body slightly in the front to keep this from occuring again.You might check into this as well here.Below is the complete diagnostic testing procedure if no wiring issues are found.

Here are the wiring diagrams for this sensor

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service,your 5 star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete