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P1123 Mercury Code - Throttle Position Sensor Circuit Intermittent High Voltage

- Code Popularity: 1,516 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1123 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 Throttle Position Sensor
  • Throttle Position Sensor harness is open or shorted
  • Throttle Position Sensor circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC P1123 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 P1123 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 P1123 Mercury Description

The Powertrain Control Module (PCM) monitors the Throttle Position Sensor. The PCM sets the Diagnostic Trouble Code (DTC) code when it detects the Throttle Position Sensor circuit is intermittent high voltage.

OBDII Code P1123 Mercury - Throttle Position Sensor Circuit Intermittent High Voltage - AutoCodes.com
P1123 Mercury Code - Throttle Position Sensor Circuit Intermittent High Voltage

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Code P1123 Mercury comments

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