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Cat Man
Cat Man, Cat Engine Expert
Category: Construction and Road Equipment
Satisfied Customers: 8912
Experience:  I am ASE Master Certified.
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I have a c15 acert with fault code 32 I replaced the tps but

Customer Question

I have a c15 acert with fault code 32 I replaced the tps but the engine idles but doesn't respond to the pedal I tested the 3 pin connectors with a lectures of 8.0. 13.5. And ground. What could have been the problem?
Submitted: 1 year ago.
Category: Construction and Road Equipment
Expert:  Cat Man replied 1 year ago.
Thanks for asking your question. I will try and help you out.
There are only 3 things that can cause a code 32.
First and most common is a faulty TPS. Which you have already replaced.
Second is a problem in the wiring. Pin a is an 8 volt supply. B is the ground. And C is the signal wire.
Lastly is a faulty ECM. This is very rare.
I would try running new wires from the TPS to the ECM. If the problem continues. The ECM is all that's left.
Please reply back if you need more help or have more questions. I am happy to assist.