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-   -   Pins/connectors needed for pcm? (https://www.chevyhhr.net/forums/problems-service-repairs-42/pins-connectors-needed-pcm-60356/)

Php May 20, 2018 11:44 AM

Pins/connectors needed for pcm?
 
I made a post some time ago about me fighting with the reduced engine power p2135? Code.

since then I have:

replaced the TB(thought you could take them apart lol)
replaced the Pedal position sensor
Replaced the plug in on the actual TB

at times I can’t take a 5 min drive without having to reset codes atleast 30 times to make it to my destination

If I unplug the pcm, un plug the tb, jiggle some wires car drives perfect for hundreds of miles. Then it starts back and keeps getting worse until I unplug and clean the plugs again..

I have tugged on the 6? Wires that lead from the TB connector into the pcm connector and felt no noticeable pull within them to make me think wires are broken.

i would still like to replace these entire wires. Does anyone have a link where I can find the replacement connectors that feeds into the pcm connector?

i found a crimp tool on amazon and found various connectors but just want to make sure I buy the correct ones.

thank you hhr forum

-Phil

donbrew May 20, 2018 12:21 PM

Usually it is the pin in the connector has pushed out the back.

P2135 has nothing to do with the Accelerator Pedal Position sensor. There are 2 Throttle Position sensors; 1 measures how open, the other measures how closed the throttle is. When the ECM/PCM senses that they don't agree it throws the code.

What year/model/engine, before I start spending time.

Php May 20, 2018 12:46 PM

I kinda knew there were two sensors. I thought one was the TB and the other was the pedal? Is that wrong?

my car is a 2007 2.2 auto LT? I think

i love the car, I have a 15 ram diesel, 2 srt4, but the hhr really is my daily drive it more than any of the vehicles I have combined.

Cat Man HHR May 20, 2018 02:37 PM

From what I've read the two sensors A and B are the throttle pedal and the throttle body.
If one doesn't agree with the other passed 2 seconds a code is thrown.
Google the code, it seemed to be a common problem with certain GM vehicles.

donbrew May 20, 2018 03:46 PM

There are 2 circuits, the TB has 2 sensors and the pedal has 2 sensors. Neither the TB ot the pedal speaks directly to the other. P2135 checks that the 2 sensors in the TB agree with each other; Is the open angle complimentary to the closed angle?

I thought I was rather eloquent in my earlier description.

The TSB on the subject describes pins pushing out the back side of the ECM connector.

pins 57 & 59 on the C2 connector are for the throttle position sensor signals, however, there are also a 5 V ref and a low ref.
https://cimg7.ibsrv.net/gimg/www.che...7bea61c7de.png

https://cimg9.ibsrv.net/gimg/www.che...f2763e5b19.png

Php May 21, 2018 12:56 AM

Now that is some quality information!!!! Thank you

Cat Man HHR May 21, 2018 01:15 AM

Sorry for my incomplete information.

GravesHHR Jan 27, 2025 05:18 PM

Tsb
 

Originally Posted by donbrew (Post 844473)
There are 2 circuits, the TB has 2 sensors and the pedal has 2 sensors. Neither the TB ot the pedal speaks directly to the other. P2135 checks that the 2 sensors in the TB agree with each other; Is the open angle complimentary to the closed angle?

I thought I was rather eloquent in my earlier description.

The TSB on the subject describes pins pushing out the back side of the ECM connector.

pins 57 & 59 on the C2 connector are for the throttle position sensor signals, however, there are also a 5 V ref and a low ref.
https://cimg7.ibsrv.net/gimg/www.che...7bea61c7de.png

https://cimg9.ibsrv.net/gimg/www.che...f2763e5b19.png

What is the TSB? Is there a number or something I can reference when bringing the car to a dealership or mechanic?

lazaino Jan 27, 2025 06:04 PM

The difference between the two pins labeled 33067-000x is one is for 22 ga and the other is for 18-20ga. I have thousands of the 18-20ga pins in stock. If you can't find them, 25 cents each plus shipping. I have the 0006 version which is the reverse wound 0005, Different windings are used in different kinds of crimping presses.

GravesHHR Jan 29, 2025 09:49 AM

Pins
 

Originally Posted by lazaino (Post 953792)
The difference between the two pins labeled 33067-000x is one is for 22 ga and the other is for 18-20ga. I have thousands of the 18-20ga pins in stock. If you can't find them, 25 cents each plus shipping. I have the 0006 version which is the reverse wound 0005, Different windings are used in different kinds of crimping presses.


​​​​​​Can I just replace the connector plug instead of replacing the pins? Or are the pins in the other side of the connection?


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