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Dan
Dan, Technician
Category: Car
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Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Buuick Rendezvous: I have a code PO606a and P2127a,p2138a driving

Resolved Question:

I have a code PO606a and P2127a,p2138a driving and will not go any faster then 15 to 40 mile per hour what should i check out first
Submitted: 1 year ago.
Category: Car
Expert:  Dan replied 1 year ago.
Welcome to JustAnswer, my name is XXXXX XXXXX I'm here to help get your problem solved. P0606 sets when ECM detected a problem with its Internal Performance. P2127 sets when PCM detected the Accelerator Pedal Position Sensor 2 circuit indicated less than 0.66v for 4 seconds. P2138 sets when PCM detected that the voltage difference between APP Sensor 1 and 2 was more than 0.21v. So as of right now the last two codes are caused by the accelerator pedal position sensor and the P0606 is most likely caused by a failed ECM. Let me know if you have questions or if there is anything else at all I can do to help. Thanks.
Customer: replied 1 year ago.


so do i just replace the accelerator pedal position sensor and is the ecm bad too.


 


 

Expert:  Dan replied 1 year ago.

According to the codes the ECM is bad but the pedal position sensor is most likely the issue causing the symptoms so I would start with that. Let me know how it goes or if you have questions, thanks Lenny.

Customer: replied 1 year ago.


ok thank you i will do that and see what happen let you know thanks again

Expert:  Dan replied 1 year ago.
No problem, make sure to let me know how it goes. Thanks again and have a great day.
Dan, Technician
Category: Car
Satisfied Customers: 21543
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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