2019年8月26日 · The P1514 code for Chevrolet indicates a problem with the Throttle Actuator Control System's Mass Air Flow performance. This means that the vehicle's engine control …

2023年7月12日 · We’ll give you an overview of the P1514 code meaning and list the main reasons behind the code’s activation, as well as list some diagnostic and fixing methods you …

The automobile fault code p1514 can be caused by a faulty Throttle Actuator Control (TAC), an open or shorted TAC harness, a poor electrical connection in the TAC circuit, or a faulty Mass …

2019年8月26日 · TP sensor 1 signal voltage decreases as the throttle opens. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for …

2023年8月19日 · For trailblazer, Silverado, GMC, and Chevy trucks, P1514 means there is an issue with the throttle control actuator and excessive airflow into the engine. Kenworth, …

2009年5月31日 · DTCS P0120, P0220, P1514, P1515, P1518 and P2135 may also be present. If the SI diagnostics do not isolate the cause, inspect the Yellow TAC Motor Control Circuit (581) …

P1514 is a diesel engine fluid operator interface (DEFOI) tampering category trouble code, activated by the occurrence and persistence of another code. The ignition should always be in …

2024年10月17日 · The P1514 code means there’s a problem with the Throttle Actuator Control (TAC) system, specifically with the Throttle Actuator Control Module (TACM). When this code …

2019年8月26日 · Repair Information for P1514 GMC code. Learn what Throttle Actuator Control System Mass Air Flow Performance means, location and how to repair?

The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn. There …