Engine-Codes - Generic - P1123

P1123 Code - Throttle Position Sensor Circuit Intermittent High Voltage

- Code Popularity: 66,585 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1123?

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)
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How to Fix the DTC P1123?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1123 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1123 Code Mean?

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.

P1123 Code - Throttle Position Sensor Circuit Intermittent High Voltage

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Code P1123 Information for Specific Makes

  • P1123 Audi Long Term Fuel Trim Adjustment Bank 1 System Too Rich
  • P1123 BMW Pedal Position 1 High Input
  • P1123 Ford Throttle Position Sensor Circuit Intermittent High Voltage
  • P1123 Hyundai Long Term Fuel Trim Error System Rich
  • P1123 Land Rover Accelerator Pedal Position Sensor Short Circuit To Battery
  • P1123 Lexus Coolant Flow Control Valve Position Sensor Circuit High
  • P1123 Lincoln Throttle Position Sensor Circuit Intermittent High Voltage
  • P1123 Mazda Throttle Position Sensor Circuit Intermittent High Voltage
  • P1123 Mercury Throttle Position Sensor Circuit Intermittent High Voltage
  • P1123 MINI Pedal Position 1 High Input
  • P1123 Toyota Coolant Flow Control Valve Position Sensor Circuit High
  • P1123 Volkswagen Long Term Fuel Trim Adjustment Bank 1 System Too Rich

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