2009 GMC Sierra
Mileage
159,424
Service Date
6/8/2026
Services Performed
- FOUND CODE P0543- EGT SENSOR 1 CIRCUIT LOW VOLTAGE. MONITORED EGT TEMP SENSOR AND FOUND IT AT 250 DEGREES THEN DROPPING TO -40 THEN WOULD GO UP TO 1100 DEGREES. WIRING IS GOOD. HAD HISTORY TRUCK WITH BAD CONNECTION, TWISTED PINS FROM SENSOR CONNECTOR TO FRAME HARNESS AND MONITORED SENSOR AGAIN FOR 15 MINUTES. SENSOR STAYED STEADY. PERFORMED REGEN AND ALL CODES CLEARED. SOOT LEVEL AT 5%.
DAYNE M. gave our service a 5 star review on 6/10/2026
