What is the p1518 code on a Yukon?

What is the p1518 code on a Yukon?

The second Diagnostic Dilemma occurred when the Yukon returned in January 2015 with a loss-of-power complaint with another P1518 recorded. The loss-of-power complaint couldn’t be duplicated so, to cover our bases, we voltage-dropped all powers and grounds and cleaned the throttle plate and body.

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 ECM code on a 2003 GMC Yukon?

Like a bad nightmare, the 2003 GMC Yukon returns again with ECM issues. With the exception of the P1518 DTC, everything tested perfectly. The second Diagnostic Dilemma occurred when the Yukon returned in January 2015 with a loss-of-power complaint with another P1518 recorded.

Is the p1518 code a repeatable DTC?

On the positive side, the long-standing P1518 DTC had not set since the ECM had been replaced. On the negative side, the Yukon was now in a hard-failure Reduced Power mode, and the P1515 and P2135 codes are now repeatable DTCs. Looking at ground distribution, the ECM had four grounds terminating in splice S103.

The second Diagnostic Dilemma occurred when the Yukon returned in January 2015 with a loss-of-power complaint with another P1518 recorded. The loss-of-power complaint couldn’t be duplicated so, to cover our bases, we voltage-dropped all powers and grounds and cleaned the throttle plate and body.

Like a bad nightmare, the 2003 GMC Yukon returns again with ECM issues. With the exception of the P1518 DTC, everything tested perfectly. The second Diagnostic Dilemma occurred when the Yukon returned in January 2015 with a loss-of-power complaint with another P1518 recorded.

What was the reduced power warning on a Yukon?

Quite unexpectedly, the engine started and the “Reduced Power” warning instantly disappeared from the Yukon’s vehicle information center. After 7 ½ hours of hot idling and driving time, the ever-present P1518 DTC had also vanished.

On the positive side, the long-standing P1518 DTC had not set since the ECM had been replaced. On the negative side, the Yukon was now in a hard-failure Reduced Power mode, and the P1515 and P2135 codes are now repeatable DTCs. Looking at ground distribution, the ECM had four grounds terminating in splice S103.