Join Now
International Automotive Technicians Network

P1523 Diagnostic Trouble Code Discussion for February 2012

ETC System Malfunction - Throttle Valve Stuck


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1523
Help Request Posted
2002 Chevrolet Trailblazer LS 4.2L No Start VIN: 1GNDT13SX2
P1523: TAC Module Return Performance. ... hot, after it sits for a while will start. Upon road test, to warm up vehicle i notice my temp gauge was not moving, and scanner was reading, 45 degrees f. Unpluged sensor and checked 5 volt ref., ok. Plugged sensor back in now gauge is working, and scanne...
February 07, 2012
2002 Chevrolet Trailblazer LS 4.2L No Start VIN: 1GNDT13SX2
P1523: TAC Module Return Performance. ... hot, after it sits for a while will start. Upon road test, to warm up vehicle i notice my temp gauge was not moving, and scanner was reading, 45 degrees f. Unpluged sensor and checked 5 volt ref., ok. Plugged sensor back in now gauge is working, and scanne...
February 07, 2012