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P2243 Mercury Code - O2 Sensor Reference Voltage Circuit Open Bank 1 Sensor 1

- Code Popularity: 1,565 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P2243 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Front Heated Oxygen Sensor Bank 1
  • Front Heated Oxygen Sensor Bank 1 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC P2243 Mercury?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2243 Mercury code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P2243 Mercury Description

The Front Heated Oxygen Sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The Powertrain Control Module (PCM) monitors the universal heated oxygen sensor (HO2S) for a circuit concern. This Diagnostic Trouble Code (DTC) sets when the PCM detects a concern with the circuit used to determine the oxygen content in the exhaust gas.

OBDII Code P2243 Mercury - O2 Sensor Reference Voltage Circuit Open Bank 1 Sensor 1 - AutoCodes.com
P2243 Mercury Code - O2 Sensor Reference Voltage Circuit Open Bank 1 Sensor 1

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Code P2243 Mercury comments

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