Question about GMC Envoy

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What coud it be code 1221 and p1516 i have a lack of power performance how can i fix this probleme does some body have a specific answer??

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I googled: GMC 2002 Envoy SLE code 1221 n p1516
Buy I see no clear answer, you may find one though.

Posted on Apr 15, 2015

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Posted on Jan 02, 2017

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My H3 Hummer 2006 is giving me p1516 p2176 p2135 p2176 and p2135 codes what to do so I fix it


code p 2176 refers to both the accelerator position sensor E and the throttle position sensor E--maximum stop performance ===causes --wiring---APP or TP sensor
code p 2135 refers to same items but switchF A/B- voltage correlation or implausable signal===causes --same as previous
I have no listing for a p 1516 as the book does not cover it but I am guessing that it is a specific code to hummer and still related to the problem area of the APP or TP units
if you find and fix the APP or TP problems then that code by go

Oct 19, 2014 | Hummer H3 Cars & Trucks

1 Answer

P1516


DTC P1516 Throttle Actuator Control(TAC) Module Throttle Actuator Position Performance

It only can be repaired at dealer, BUT you can try this first, by disconnecting the connectors at throttle body area and clean the connector with connector cleaner spray, and reconnect it. If it still doesn't solve the issue at all, take it to the dealer.

Mar 20, 2014 | 2004 Chevrolet Malibu

1 Answer

P1515 and p1516 codes saturn vue


p1515,p1516 and p1271 What do these codes mean specifically? I'm lazy, I'm not researching that

Nov 07, 2013 | 2003 Saturn VUE

1 Answer

I keep getting all these cods p0102 p1120 p1220 p1221 p1514 p1516 p0102 p1120


Hi Robert, It would help us to know which vehicle as the codes very well may be vehicle specific.Ford seem to have codes of that numerical range, so I'm assuming your vehicle is made by Ford.
P1120 refers to the Air flow sensor. P1120 the throttle position sensor. 1220 Series Throttle Control Fault (probably related to the TPS) 1221 Refers to the high speed fuel pump relay having been activated. 1516 Intake manifold runner input error. Cannot find P1514 Hope this is helpful. I suggest sorting out the air flow sensor and the throttle position sensor to begin with and that may sort out the other defects. Very often one sensor giving an error reading will trigger others. Regards John

Oct 12, 2013 | Cars & Trucks

1 Answer

I HAD PO332 AND P1516 CODES ON MY 2003 SILVERADO 2500HD, THIS MORNING I COULD NOT ACCELERATE NO MORE


Welcome to Fixya

PO332 means there is a problem in the Knock Sensor 2 Circuit Low Input (Bank 2). This part might need to be replaced.

P1516 Throttle Actuator Control(TAC) Module Throttle Actuator Position Performance. Look for a yellow wire inside the throttle body connector. This wire usually breaks inside. To test, grab the wire for about 5 inches then tug if it breaks then that is the problem.

Thank you for using Fixya!

Sep 28, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Have 2003 chevy tahoe with codes p220 and p120 also p1516 already replaced the throttle body accuator and still come up with the code p1516


There is a Tecnical Service Bulletin (TSB) that specifically addresses codes P0120, P0220, and P1516.

It says that the TAC Module can set these codes erroneously under certain conditions. It is very likely that if your vehicle is diagnosed according to the provisions of this bulletin, the problem can be corrected without having to purchase or replace any parts.

It is Technical Service Bulletin number 03-06-04-032
Issued June 16, 2003

Please also review this article: What Else Could Be Wrong?

May 07, 2011 | 2003 Chevrolet Tahoe

1 Answer

The reduce engine light comes on at 50 mph what could the problem be


DTC P0120 P0220 P1516 P2135 these should be the problem codes.
2003-2006 Chevrolet Avalanche, Corvette, Express, Monte Carlo, Silverado, SSR, Suburban, Tahoe, Trailblazer. for reduced engine power. p0120 is throttle position sensor, ( tps ). p0220 is relates to tps, p1516 tps is out of range. p2135 is a throttle body code, the throttle body needs replaced. but before you do it replace tps first to see if it takes care of the other codes. have a good day !!

Feb 18, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

2003 GMC Sierra 5.3L (has 2004 engine) Drive by wire. Reduced engine power (Limp Mode). Following error codes - P1516, P2135, P0120. Checked all connections at throttle body(Wiggle tested the individual...


CODE PO120 - TP SENSOR 1 SIGNAL RANGE PERFORMANCE. CODE P1516 - TAC MODULE THROTTLE ACTUATOR POSITION PERFORMANCE. CODE P2135 - THROTTLE POSITION SENSOR 1 - 2 CORRELATION ERROR. THIS IS A DEALERSHIP FIX YOU HAVE PROBLEMS OR FAULTS IN THE THROTTLE POSITION SENSOR.

Oct 24, 2010 | 2004 GMC Sierra 1500 Crew Cab

1 Answer

Reduced power p1516 code


P1516 Throttle Actuator Control(TAC) Module Throttle Actuator Position Performance

This is your problem and should be taken in to chevy for repair

Oct 15, 2009 | 2004 Chevrolet Malibu

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