What does p1516 mean on a GMC 20?

P1516 engine code and reduced engine power message gmc 20… how to repair this issue, problem intermittent? My car has an automatic transmission. Hello, and thank you for writing in. The P1516 code you received stands for an issue with the Throttle Actuator Control Module.

Where is the p1516 fault code on a car?

If the P1516 is the only active fault code present, and there are no updates/TSBs for your particular vehicle, then the next step is to locate the Throttle Actuator Position Sensor (TAPS) on your particular vehicle, which is usually on the side of the throttle body. Visually inspect the connectors and wiring.

What’s the error code for reduced engine POW?

Error code p1516 with check engine and reduced engine pow… Drivibg car reduced engine power light comes on changed map sensor error code p1516 so cleaned throttle bodymade some improvement but now after driving car 10mins reduced engine power light comes on car with revvive up on its own also transmission kicks hard when shifting.

When does p1516 set the throttle position?

In these instances, P1516 will set when the voltage being returned by the sensor does not match what is being received by the actual throttle position sensor or in some cases, it may be a calculated throttle position. This particular code can set if the voltage changes from normal to 0 volts or 5 volts for a very short period of time.

What does the code p1516 mean on a car?

The code P1516 is is for the throttle position sensor. It looks like the car’s computer is putting the engine in “failsafe mode” to prevent the car from being driven much further.

How to fix a p1516 Chevrolet engine light?

How do I fix code P1516 CHEVROLET Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. P1516 CHEVROLET Tech Notes There are factory service bulletins for the P1516 code on following Cadillac vehicles:

What does the ECM do on a p1516 Chevy?

P1516 CHEVROLET | Throttle Actuator Control Module Throttle Actuator Position Performance | The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. The ECM determines the drivers intent and then The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system.

Why does my Yukon have a reduced engine power warning?

Here are some of the most typical problems that can make your Yukon’s reduced engine power warning come on: This is one of the most common reasons the reduced engine power light comes on.

Why does my Chevy Silverado have a TAC code p1516?

A vehicle may be brought into the dealer for a reduced power message, and DTCs P0120, P0220, P1516, P2101, or P2135. The Throttle Actuator Control (TAC) / throttle body type trouble codes, may be caused by a loose wiring crimp at the throttle body connector, or a broken throttle body circuit.

What is the throttle position sensor on a GMC Yukon?

The throttle position sensor is one of the most vital sensors in your Yukon. If it’s not responding, the ECU has no way of telling how much gas gas you’ve given it. The TPS data also helps determine when the transmission will shift.