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Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 18886
Experience:  ASE Master Certification. GM World Class Certification
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Cadillac CTS have codes p2135,p0700,b2366,b1327,b1004,u1016,u1327,u1088

Resolved Question:

have codes p2135,p0700,b2366,b1327,b1004,u1016,u1327,u1088 and the engine light is on what could be the problem
Submitted: 3 years ago.
Category: Cadillac
Expert:  Dave Nova replied 3 years ago.

Hello and welcome to justanswer.

 

The P2135 code sets when there is a problem with the throttle position sensors in the throttle body. The P0700 is a generic transmission control code that likely set because of the throttle position sensor problem.

 

The other codes are Body and communications codes that do not have an effect on the check engine light. These codes quite often set because of electrical glitches, clear these codes and drive the vehicle to see if they reset before attempting any related repairs.

 

My suggestion is to check the wiring at the throttle body. If the wiring looks okay, then replace the throttle body. This should fix the problem.

Customer: replied 3 years ago.
Where is the throttle body wires located
Expert:  Dave Nova replied 3 years ago.

The throttle body is where the air comes into the engine. Remove ducting from air filter box to the engine. The connector is #2 in the picture below at the throttle body.

 

graphic

Customer: replied 3 years ago.
Is this something i can replace my self
Expert:  Dave Nova replied 3 years ago.

Yes, the throttle body is something most people with basic skills can replace themselves.

 

Disconnect the electrical connector and coolant hoses from the throttle body.

 

graphic

 

Then remove 4 bolts secutint throttle body to engine.

 

graphic

Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 18886
Experience: ASE Master Certification. GM World Class Certification
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