Question about 2004 GMC Envoy

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I have 2004 gmc envoy xl 5.3 engine the code po753 is showing up

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You are starting to have a transmission problem. I know....the Envoy runs fine....well, this code is telling you that there is a beginning of a problem with your transmission system. It could be a wire, could be a rock that was ran over flicked up under there and possible damaged something.....
Bottom line, there is a an issue developing. Suggestion? Check with AAMCO...it is free and they can give you an idea what the seriousness is.
Trouble Code: P0753 (5.3L V8 VIN P Auto)
A/T 1-2 Shift Solenoid Circuit Malfunction (4L60-E, 4L65-E)
Trouble Code Conditions:
Engine runtime over 5 seconds, system voltage at 10-18v, engine not in Fuel Cutoff mode, and the PCM detected an unexpected voltage condition on the A/T 1-2 Shift solenoid circuit.
Possible Causes:

  • 1-2 shift solenoid connector is damaged, loose or shorted
  • 1-2 shift solenoid control circuit is open or shorted to ground
  • 1-2 shift solenoid control circuit is shorted to system power
  • 1-2 shift solenoid is damaged or has failed
  • PCM has failed

Posted on Aug 25, 2014

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: check engine light on - 2003 gmc envoy XL

That code represents a lower than expected reading for temperature (coolant). First thing to do is check your coolant level, as if it is low, then the sensor can not read correctly. Second, you may have a thermostat that is stuck open, allowing the coolant to cool off too much. The sensor should be mounted on top of the engine, near the thermostat housing.

Posted on May 18, 2008

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2004gmc envoy XL 5.3 it won't shift into overdrive code po753


code P0753 (1-2 clutch solenoid circuit). Open solenoid causing the problem. Pull side cover and install new solenoid.

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How to correct 2002 GMC Envoy diagnostic code PO753


You have a transmission solenoid problem. So I would recommend a trans shop to check it out for you.

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I have a 2004 Gmc Envoy putting out a code of 0128 what does this mean?


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2 Answers

2004 gmc envoy code 0128


This an engine coolant temperature fault, most likely caused by a defective thermostat, probably one that is open all the time.

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Loud air sound


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