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P1646 Honda Code - Sensor Supply Voltage Circuit 'C' Malfunction

- Code Popularity: 4,557 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1646 Honda?

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 Accelerator Pedal Position (APP) Sensor
  • Accelerator Pedal Position (APP) Sensor harness is open or shorted
  • Accelerator Pedal Position (APP) Sensor circuit poor electrical connection
⚠ Does your Honda have Safety Recalls? → Check here

How to Fix the DTC P1646 Honda?

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.

Search for P1646 Honda Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1646 Honda 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 P1646 Honda Description

Sensor Supply Voltage Circuit 'C' Malfunction is the generic description for the P1646 Honda code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1646 Honda OBDII code.

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OBDII Code P1646 Honda - Sensor Supply Voltage Circuit 'C' Malfunction - AutoCodes.com
P1646 Honda Code - Sensor Supply Voltage Circuit 'C' Malfunction

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Code P1646 Honda comments

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