AutoCodesVolkswagen – P1633 Volkswagen

P1633 Volkswagen Code - Accelerator Pedal Position Sensor 2 Signal Low Input

Quick Answer

P1633 Volkswagen indicates Accelerator Pedal Position Sensor 2 Signal Low Input. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1633 Volkswagen indicates Accelerator Pedal Position Sensor 2 Signal Low Input.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 15,970
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 02, 2019
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Code P1633 Volkswagen Description

OBDII Code P1633 Volkswagen - Accelerator Pedal Position Sensor 2 Signal Low Input - AutoCodes.com
P1633 Volkswagen Code - Accelerator Pedal Position Sensor 2 Signal Low Input

What are the Possible Causes of the DTC P1633 Volkswagen?

  • Faulty Accelerator Pedal Position Sensor
  • Accelerator Pedal Position Sensor harness is open or shorted
  • Accelerator Pedal Position Sensor circuit poor electrical connection

How to Fix the DTC P1633 Volkswagen?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1633 Volkswagen code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1633 Volkswagen code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1633 Volkswagen Code

What does OBD-II code P1633 mean for a Volkswagen?

Code P1633 indicates a problem with the Accelerator Pedal Position Sensor 2, specifically a low input signal detected by the engine control module (ECM).

What are the common symptoms of P1633 in a Volkswagen?

Symptoms may include reduced engine power, hesitation during acceleration, difficulty maintaining speed, or activation of the Check Engine Light.

What causes the P1633 code to appear on a Volkswagen?

The code is typically caused by a faulty accelerator pedal position sensor, damaged wiring or connectors, or issues with the ECM.

Can I drive my Volkswagen with the P1633 code active?

Driving with the P1633 code is not recommended, as it can lead to unpredictable throttle response and reduced engine performance.

How is the P1633 code diagnosed in a Volkswagen?

Technicians diagnose P1633 by scanning the vehicle’s ECM, inspecting wiring and connectors, testing the accelerator pedal position sensor, and verifying signal voltages.

How do you fix the P1633 code on a Volkswagen?

Repairs may include replacing the accelerator pedal position sensor, repairing or replacing damaged wiring or connectors, or reprogramming/repairing the ECM.

Is the accelerator pedal sensor expensive to replace?

The cost of replacing the accelerator pedal sensor varies by model, but it is generally considered a mid-range repair in terms of expense.

Can a dirty throttle body cause the P1633 code?

While unlikely, a dirty throttle body could contribute to throttle-related issues but is not a direct cause of the P1633 code.

How can I prevent the P1633 code from recurring?

Regular maintenance, including inspecting wiring connections and keeping the throttle system clean, can help prevent the code from returning.

Do I need special tools to fix the P1633 code on a Volkswagen?

Basic tools like a multimeter and an OBD-II scanner are typically sufficient for diagnosing and repairing this issue.

Discuss the causes and fixes for P1633 Volkswagen OBDII Code

  • Hey guys I hope somebody's out there this morning Sunday morning January 31st if you guys can help me real quick that would be excellent thing for me. I have a 2000 Jetta with the v6 engine and I've got a multitude of codes off of it already fixing a little business but I still have the p1633 code which is reading accelerator sensor switch and the car is I can't get it out of limp mode is there anybody out there that can help me with this this morning I'd appreciate it

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