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I have three fault codes, p3255,po420 and p1516 any help?

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I have a 2006 GMC 6.0 it's showing me three codes , it quits an goes into limp mode , the codes are P0300 p1516. Bo229 can you help me out with this


p0300 is random misfire and p1516 is throttle actuator performance of voltage issue. you may have a faulty throttle actuator which is causing the random misfire. the b0299 is a fault related to a body component which may or may not be related to the primary "p" codes.

Aug 28, 2014 | Cars & Trucks

1 Answer

P1516 code 2008 malibu


P1516 Chevrolet - Throttle Actuator Control Module Throttle Actuator Position Performance

Read more: http://engine-codes.com/p1516_chevrolet.html#ixzz2xBADmub0
hope it helps

Mar 20, 2014 | 2004 Chevrolet Malibu

1 Answer

Fault coade


You will get a 420 if the Exhaust Converter is worn out.

You need professional tools to diagnose that

Mar 11, 2014 | Volkswagen Jetta Cars & Trucks

1 Answer

Engine won't start and shows trouble code P1516 and reduced engine power light is on


Here is the definition of the code.

Possible causes - Faulty Throttle Actuator Control (TAC) module
- Throttle Actuator Control (TAC) module harness is open or shorted
- Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)

P1516 CHEVROLET Description The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously test the integrity of this data. When the TAC module is unable to write or read data to and from Random Access Memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Detected Trouble Code (DTC) is set.
Read more: http://engine-codes.com/p1516_chevrolet.html#ixzz286Gl3cSo

Sep 28, 2012 | 2002 Chevrolet TrailBlazer

1 Answer

Where does p1516 go


These are OBD2 electronic engine control fault codes and are not parts. The mechanic pulling your leg and having fun at your expense.

Jun 23, 2012 | GMC Yukon XL Cars & Trucks

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

3 Answers

Po420 code monte carlo ls 2001


PO420 code is for catalyst system efficiency below threshold (bank 1) Usually it means that it is time for a new catalytic converter on bank number 1. Cylinder bank number 1 is always the bank with the number 1 spark plug in it.

Apr 20, 2010 | 2001 Chevrolet Monte Carlo

1 Answer

I have a diagnostic trouble codes p1768,po300,and a po420. what does this mean?


I have tow of the three requested codes. po300 is misfire detected at multiple cylinders. See po301-306 represent the cylinder # misfire. So 301 is cylinder #1 misfire.

po420 is Catalytic Converter Efficiency Failure

Oct 08, 2009 | 1996 Plymouth Voyager

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