Accelerator Pedals and Pedal Position Sensors

Accelerator Pedal – Potentiometer and Pedal Position Sensor

An accelerator pedal module sends the driver's acceleration request to the engine management system. In modern vehicles, the pedal is usually electronic and contains one or more position sensors rather than a traditional mechanical cable connected directly to the throttle body.

The same component may be searched for as:

• accelerator pedal,
• gas pedal,
• accelerator pedal sensor,
• pedal position sensor,
• accelerator pedal potentiometer,
• electronic accelerator pedal,
• APP sensor – Accelerator Pedal Position sensor.

Although “potentiometer” is still widely used as a search term, not every modern pedal module uses a traditional resistive potentiometer. Different sensor technologies can be used depending on the vehicle and manufacturer.

How does an electronic accelerator pedal work?

In a modern drive-by-wire system, pressing the accelerator pedal does not directly open the throttle body with a cable. Instead, the pedal module sends one or more electrical position signals to the engine ECU.

The ECU interprets the driver's request together with other information such as engine speed, load, traction-control input and vehicle operating conditions. It then controls the throttle body, fuel injection or other engine-management functions.

This means the pedal reports driver demand; it does not directly determine fuel quantity or throttle opening by itself.

Accelerator pedal vs throttle body

The accelerator pedal and throttle body are separate components.

The accelerator pedal measures how far the driver presses the pedal and sends that request to the ECU. The throttle body is an actuator in the intake system that may regulate airflow according to commands from the ECU.

A fault in either component can sometimes cause similar symptoms, which is why diagnosis should be performed before replacing parts.

Why do accelerator pedals use more than one position signal?

Electronic accelerator pedals commonly use redundant position signals for safety. The engine ECU can compare these signals and detect implausible or inconsistent values.

If the signals do not correspond correctly, the ECU may limit engine response or activate a reduced-power mode.

Depending on the vehicle, diagnostic fault codes may refer to accelerator pedal position sensor circuit A, circuit B or correlation between the signals.

How to choose the correct accelerator pedal

The safest way to select a replacement pedal is to compare all references shown on the original part.

Check:

• complete vehicle OEM number,
• manufacturer number,
• all suffix letters,
• additional hardware or production codes where present,
• vehicle make and model as supporting information.

Two accelerator pedals can have the same shape and connector while using different sensors, calibration or electronics.

The vehicle model alone should therefore not be treated as proof of compatibility.

Bosch accelerator pedals

Bosch is one of the main manufacturers represented in this category.

Common Bosch number families found on accelerator pedal modules include:

• 028075...,
• 028100...,
• 020500....

Examples from the catalogue include:

• 0280755063 / 6Q1721503F – Audi / Seat / Volkswagen,
• 0281002339 / 028907475AP – Volkswagen,
• 0205001020 / 7D0721727 – Volkswagen T4,
• 0281002296 / 09129107 – Opel Vectra B,
• 0281002561 / A6393000604 – Mercedes Vito.

The common Bosch prefix does not mean that the pedals are interchangeable. The complete number must be compared.

Audi / Seat / Volkswagen – Bosch 0280755063 / 6Q1721503F

One example is the Audi / Seat / Volkswagen accelerator pedal Bosch 0280755063 / 6Q1721503F.

Important references include:

• 0 280 755 063,
• 0280755063,
• 6Q1721503F.

When several references are present on the pedal, it is best to compare the complete combination.

Volkswagen – Bosch 0281002339 / 028907475AP

The catalogue also includes the Volkswagen accelerator pedal Bosch 0281002339 / 028907475AP.

The main identifiers are:

• 0 281 002 339,
• 0281002339,
• 028907475AP.

The final letters in an OEM number such as AP are part of the complete reference and should not be ignored.

Hella accelerator pedal modules – 6PV numbers

Hella accelerator pedals frequently use references beginning with 6PV....

Examples currently visible in the catalogue include:

• 6PV00777011 / 7D1721603B – Volkswagen T4,
• 6PV00849501 / 6Q1721503B – Volkswagen Polo / Seat Leon / Ibiza,
• 6PV00922001 / 6G929F836BD – Volvo V70 / S60,
• 6PV00830100 / 30865642 – Volvo S40 / V40,
• 6PV00853701 / 30636004 – Volvo S60.

The full 6PV reference should be checked because visually similar Hella pedals may have different final digits.

Volkswagen T4 – 7D1721603B / Hella 6PV00777011

A strong long-tail example is the Volkswagen T4 accelerator pedal 7D1721603B / Hella 6PV00777011.

It can be searched in several forms:

• 7D1 721 603 B,
• 7D1721603B,
• 6PV 007 770-11,
• 6PV00777011.

Using both the VW and Hella references makes identification more precise.

Volkswagen Polo / Seat Leon / Ibiza – 6PV00849501 / 6Q1721503B

Another catalogue example is the Volkswagen Polo / Seat Leon / Ibiza accelerator pedal 6PV00849501 / 6Q1721503B.

Important numbers:

• 6PV 008 495-01,
• 6PV00849501,
• 6Q1 721 503 B,
• 6Q1721503B.

Again, the full suffix should be retained when comparing the part.

Ford accelerator pedals – 9F836 references

Ford commonly uses 9F836 within accelerator-pedal part numbers.

One confirmed example is the Ford Transit 2.4 TDDI accelerator pedal 1C11-9F836-AD.

The part may be written as:

• 1C11-9F836-AD,
• 1C119F836AD.

The complete prefix and suffix matter. A shared 9F836 base number does not mean that all Ford accelerator pedals are interchangeable.

Volvo V70 / S60 – 6G92-9F836-BD / Hella 6PV00922001

The catalogue also includes a Volvo V70 / S60 accelerator pedal 6G92-9F836-BD / Hella 6PV00922001.

Important references:

• 6G92-9F836-BD,
• 6G929F836BD,
• 6PV 009 220-01,
• 6PV00922001.

Combining the vehicle-specific number with the Hella reference gives a more accurate search result.

Why suffix letters are important

Accelerator pedal numbers often end with letters that identify a specific version.

For example:

• 6Q1721503B,
• 6Q1721503F,
• 1C11-9F836-AD,
• 6G92-9F836-BD,
• 028907475AP.

These suffixes are part of the complete reference and should not be removed when searching or comparing parts.

Common symptoms of a faulty accelerator pedal sensor

Possible symptoms can include:

• delayed or missing accelerator response,
• limited engine power,
• limp mode,
• uneven response while pressing the pedal,
• engine speed not increasing normally,
• accelerator pedal position fault codes,
• implausible signal or sensor-correlation errors.

These symptoms do not automatically confirm a failed pedal module.

What should be checked before replacing the accelerator pedal?

Before replacing the pedal, it is worth checking:

• electrical connector condition,
• wiring between the pedal and ECU,
• power or reference voltage where applicable,
• ground connections,
• live diagnostic values from pedal position sensors,
• related ECU fault codes.

Wiring problems or poor electrical connections can produce symptoms similar to a faulty pedal sensor.

Does a replacement accelerator pedal require programming?

Many accelerator pedal modules do not require coding or programming after replacement, but this should not be treated as a universal rule.

Depending on the vehicle, installation may involve:

• direct replacement with no programming,
• clearing stored fault codes,
• checking live pedal-position values,
• performing a relearn or basic setting if required by the vehicle system.

The correct procedure depends on the vehicle manufacturer and engine-management system.

Can an accelerator pedal cause limp mode?

Yes. If the ECU detects missing, implausible or mismatched accelerator pedal signals, it may reduce engine response for safety.

However, similar reduced-power symptoms can also originate from the throttle body, engine ECU, wiring or other engine-management components.

How to search for an accelerator pedal by part number

Useful search combinations include:

• accelerator pedal 7D1721603B 6PV00777011,
• VW T4 gas pedal 6PV00777011,
• Ford Transit accelerator pedal 1C119F836AD,
• Audi Seat VW pedal 0280755063 6Q1721503F,
• Volkswagen accelerator pedal 0281002339 028907475AP,
• Volvo accelerator pedal 6G929F836BD 6PV00922001,
• VW Polo Seat Leon accelerator pedal 6PV00849501 6Q1721503B.

Searching with the complete OEM and manufacturer references normally gives much more precise results than using only the vehicle model.

Selected accelerator pedals in the Auto24Parts catalogue

Examples include the Volkswagen T4 7D1721603B / 6PV00777011 pedal, the Ford Transit 1C11-9F836-AD accelerator pedal, the Audi / Seat / VW Bosch 0280755063 / 6Q1721503F unit and the Volvo V70 / S60 6G929F836BD / 6PV00922001 pedal.

Related electronic car parts

• Electronic Car Parts
• Throttle Bodies
• Engine Control Units – ECU
• Vehicle Control Modules
• Bosch Automotive Electronics

How to confirm compatibility before ordering

If you are unsure which accelerator pedal is correct, contact Auto24Parts.

For compatibility verification, send:

• a clear photo of the complete original pedal label,
• all OEM numbers,
• manufacturer number,
• vehicle make and model,
• production year,
• engine version if known.

The complete part numbers from the original pedal are more reliable than the vehicle model alone.

Ordering, Payment, Delivery and Returns

Ordering information is available in our How to Buy guide. Payment options are listed under Secure Payment Methods, while shipping information can be found on the Shipping & Delivery page.

Current information about returns, complaints and warranty is available under Returns, Warranty & Complaints.

FAQ – Accelerator Pedals and Pedal Position Sensors