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

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6ya6ya
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Posted on Jan 02, 2017

taran_2005
  • 10515 Answers

SOURCE: Diasnostic Troble codesPo326sensor 1 circuit

Hi,

Diagnostic Code: P1516

Tests/Procedures:
1. Clear code and start engine, if code does not reset stroke accelerator pedal to rev engine and see if code resets.
2. If code sets, lab scope the 2 Throttle Position Sensor (TPS) circuits on the throttle body (Purple wire pin D and Dark Green wire pin A) with a lab scope looking for glitches or drop outs as open the throttle plate. If there is no voltage check for the wire being shorted to ground.
3. Verify the Black and Black/White wires are good grounds and the Light Blue/Black and Gray wires have 5 volts.
4. Replace throttle body assembly if wiring is OK but sensors have glitch or drop out.

Potential Causes:
Accelerator Pedal Position (APP) Sensor
Throttle Body Module
Wiring Harness



Diagostic Code: P2101
Throttle Actuator Control Motor Position PerformancePossible Causes
Throttle body connector is damaged (check pins for damage, and for moisture)
TAC motor control 1 or 2 circuit is open or shorted to ground
TAC motor control 1 or 2 circuit is shorted to voltage
Throttle body assembly has failed
ECM has failed
Diagnostic Code: P0326

It is associated with a problem with knock sensor.

http://www.obd-codes.com/faq/knock-sensor.php

If there is no driveability issues, i would recommend you to take the car to the dealer as there were certain bulletins issued when the check engine light would throw these error's due to software glitch.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Dec 05, 2010

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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

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

P2106 P2110 P2135 P1516


Here is what meens those codes:

P2106
Throttle Actuator Control System - Forced Limited Power

P2110
Throttle Actuator Control System - Forced Limited RPM

P2135
Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation

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

I beleive that there is, specifically for chevrolet aveo 2006 a technician service bulletins.

You should have it checked at gm dealer!!!

ask for
TSB Number: SB-08-06-04-004
TSB Number: 08-06-04-023

Jan 27, 2014 | 2006 Chevrolet Aveo

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

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

What are code T2101 and T1516


p2101 Chevrolet Throttle Air Control Motor Position Too Low
p1516 Chevrolet TAC Module Throttle Actuator Position Performance

Sep 22, 2011 | 2005 Chevrolet Colorado

2 Answers

Diagnostic code P1516


Hi
Click on the following link for repair instructions http://www.aatecusa.com/obdIIpro/membersonly/technical-tips/obdii/GM_TSB_03_06_04_041A.pdf
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.
Description of Trouble Code: P1516

TAC Module Throttle Actuator Position Performance

Possible Causes:

TAC motor CKT 1 or CKT 2 is open, shorted to ground or B+ Throttle actuator motor CKT 1 is shorted to CKT 2 Throttle actuator motor control module has failed TSB 03-04-06-034 contains a repair procedure for this code

Jan 03, 2011 | Chevrolet Equinox Cars & Trucks

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

1 Answer

P1516 code


CODE P1516 TAC MODULE THROTTLE ACTUTATOR POSITION PERFORMANCE CONDITIONS * POSSIBLE CAUSES IS TAC MOTOR CKT 1 OR CKT 2 IS OPEN SHORTED TO GROUND OR B+.OR THE THROTTLE ACTUATOR MOTOR CKT 1 IS SHORTED TO CKT 2.OR THE THROTTLE ACTUATOR MOTOR CONTROL MODULE HAS FAILED.

Aug 17, 2009 | 2003 Chevrolet Tahoe

2 Answers

01 camaro drive by wire reduced engine speed


This is what I find from other webpost..

Condition:
Some customers may comment on an MIL/SES light Illuminated with the" Reduced Engine Power" message or indicator displayed. A technician may find two or more of the following DTCs stored in the ECM:

P060E : Control Module Throttle Position (TP) System Performance

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

P2135 : Throttle Position (TP) Sensor 1-2 Correlation

P2138 : Accelerator Pedal Position (APP) Sensor 1-2 Correlation

Cause:
A battery voltage drop during the cranking cycle may cause the codes to set and place the vehicle into the reduce engine power mode.

Correction:
Test and charge the battery using the steps below.

Important: A low voltage condition may cause at least two of the following DTCs to set.

P060E : Control Module Throttle Position (TP) System Performance

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

P2135 : Throttle Position (TP) Sensor 1-2 Correlation

P2138 : Accelerator Pedal Position (APP) Sensor 1-2 Correlation


Perform a Diagnostic System Check. Refer to Diagnostic System Check - Vehicle in SI.
Check for DTCs and review the Freeze Frame/Failure Records to determine if sufficient ignition voltage was present when the DTC set.
- If the ignition voltage was low, then check for a possible battery drain. Refer to Battery Electrical Drain/Parasitic Load Test.

- If the ignition voltage was sufficient when the code set, proceed with normal SI diagnosis for the code(s) set.

Test and recharge the battery using Bulletin 02-06-03-009 or latest version on "Battery Charging Tips'.
Clear all DTCs.

Oct 18, 2008 | 1999 Chevrolet Camaro

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