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Fault code P2BAC. Nox exceedance deactivation of egr. Build…

Customer Question
Fault code P2BAC ...

Fault code P2BAC

Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it?

Nox exceedance deactivation of egr

Mechanic's Assistant: What is the model/year of your Dodge?

Build date 2 -2011 vin#3d73v4c23bg576849

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

It a customer in my shop I'm a 28 yea tr veteran cummins tech i worked for the cummins distributor before running my own shop it had codes for o2 sensor heater not responding . i changed both o2 sensors them this is the only code that comes back after i clear it i have a snap-on motis fora scan tool

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It dosnt have a tuner on its all stock .

Submitted: 2 months ago.Category: Dodge
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Customer reply replied 2 months ago
please i need a cut to the chase awsner thank you
Answered in 22 minutes by:
12/19/2017
Dodge Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Dodge
Satisfied Customers: 4,838
Experience: Owner at Carolina Auto Service &Sales , 20 years Experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Dodge Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

Hey how are you,I will try to help you with this issue

but to begin with i need a valid vin#

3d73v4c23bg576849 this coming up not valid double check

or year model dodge you have and engine size

please let me know

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Customer reply replied 2 months ago
3D73Y4CL3BG576849 I TRANSPOSED THE Y FOR A V THIS SHOULD BE CORECT
Customer reply replied 2 months ago
6.7 L CUMMINS BUILD DATE 2-11
Dodge Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

sorry can not help on this one

i will opt out for other experts

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Dodge Mechanic: Cesar Jimenez,
 replied 2 months ago
Cesar Jimenez
Category: Dodge
Satisfied Customers: 136
Experience: shop foreman at carmona repair
Verified

hi im cesar jimenez and i will be assisting you today. im reviewing your question now....

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Dodge Mechanic: Cesar Jimenez,
 replied 2 months ago

is that only code present?? also continous memory codes?

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Customer reply replied 2 months ago
that is the only code present. had one for the exhaust back pressure. but found the tube was plugged with carbon i cleaned irit and ran that code is gone. checked the egr valve it ok and the grid heater is not plugged with carbon do i need dodge software to run a manual regen? i do not seam to have that option on my snap-on scan tool could the def be pluged
Dodge Mechanic: Cesar Jimenez,
 replied 2 months ago

yes t run the regen and verify. because P2BAC is an information only DTC.

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Customer reply replied 2 months ago
checked the egr valve and cleaned out the exhaust pressure sensor tube
Dodge Mechanic: Cesar Jimenez,
 replied 2 months ago

is everything clean now? how did the sensor look at the tube??

did you erase the code?? did it come back??

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Cesar Jimenez
Cesar Jimenez
Cesar Jimenez
Category: Dodge
Satisfied Customers: 136
136 Satisfied Customers
Experience: shop foreman at carmona repair

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