P1143 CADILLAC - HO2S Bank 1 Sensor 3 Lean Or Low Voltage
P1143 CADILLAC Possible Causes
- Faulty Oxygen Sensor Bank 1
- Oxygen Sensor Bank 1 harness is open or shorted
- Oxygen Sensor Bank 1 circuit poor electrical connection
How is the P1143 CADILLAC code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P1143 CADILLAC code
Labor: 1.0The cost to diagnose the P1143 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
How much do you know about cars?
Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge
- Engine Light ON (or Service Engine Soon Warning Light)
P1143 CADILLAC MeaningHO2S Bank 1 Sensor 3 Lean Or Low Voltage is the generic description for the P1143 Cadillac code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1143 Cadillac OBDII code.
Still have questions? Please post your question on our Comments Section of the main page for more information.
More InformationNeed more information on how to fix the P1143 CADILLAC code?
Get Access to Factory Service Manuals