Tire Pressure Monitoring System Diagnostic System Check

NOTE: Use this check as the starting point for any tire pressure monitoring system complaint.

Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of steering column. See Figure . Turn ignition switch to RUN position. If scan tool powers up, go to next step. If scan tool does not power up, see TEST G: SCAN TOOL DOES NOT POWER UP in appropriate BODY CONTROL MODULES article.
Turn ignition switch to RUN position. Try to establish scan tool communication with Electronic Brake Control Module (EBCM). If communication with EBCM is established, go to next step. If communication with EBCM is not established, go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article.
Select DISPLAY DTC function for DRP/ABS/TCS/TIM/VSES. If scan tool does not display any DRP/ABS/TCS/TIM/VSES, go to next step. If scan tool displays any DRP/ABS/TCS/TIM/VSES DTCs, perform appropriate test. See appropriate ANTI-LOCK article in BRAKES.
If scan tool displays DTC C1245, perform appropriate test. See appropriate BODY CONTROL MODULES article. If scan tool does not display DTC C1245, system is okay.