THROWS P1516 CODE AND PUTS TRUCK INTO REDUCED ENGINGE POWER.

2003 Chevrolet Tahoe

Tiny

firemax

May, 12, 2012 AT 4:09 AM

I have replaced the app sensor. I have replaced the tac. I have cleaned and replaced all grounds on the engine. I have thoroughly checked all wires and connections on the app and tac. Cleaned and tightened all battery connections. Dont know where to turn or what to try next.

FOUND 6 RELATED QUESTIONS

Code P1516

3 ANSWERS

What Is Code P1516

4 ANSWERS
1 IMAGE

3 Answers

Tiny

fixitmr

May, 12, 2012 AT 4:30 AM

Does your PCM have all updates?

Tiny

firemax

May, 12, 2012 AT 1:01 PM

Yes it does.

Tiny

ASEMaster6371

May, 12, 2012 AT 5:39 PM

Did you use dealer new parts? Did you replace them together? If you did the pedal first and had a shorted throttle body and then replaced that, it may have burned out the pedal sensor/module.

Roy

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