48120 Genuine Aisan Pedal Position Sensor CB0541AC0

Genuine Aisan Pedal Position Sensor CB0541AC0

Ensure precise throttle response and reliable drive-by-wire performance with the Genuine Aisan Pedal Position Sensor CB0541AC0 (SKU 48-120). This premium OEM-quality accelerator pedal position sensor (APP sensor) is engineered by Aisan to accurately measure accelerator pedal travel and relay this critical data to the engine control unit (ECU), enabling precise electronic throttle control for smooth, responsive engine performance. Designed specifically for the Ford Ranger PJ/PK 2.5L and 3.0L and Mazda BT-50 UN 2.5L and 3.0L, this sensor ensures dependable throttle system performance and long service life.

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Key Features & Benefits

• Genuine Aisan Quality - OEM-grade component built to exacting standards
• Ford Ranger & Mazda BT-50 Application - Designed for PJ/PK Ranger and UN BT-50 2.5L & 3.0L
• Precise Pedal Measurement - Accurately monitors accelerator pedal position in real time
• Smooth Throttle Response - Ensures linear, predictable engine response to pedal input
• Electronic Throttle Control - Enables accurate drive-by-wire throttle management
• Cruise Control Compatibility - Supports correct cruise control and traction control operation
• Eliminates Throttle Faults - Prevents limp mode, hesitation, and APP-related fault codes
• Direct OEM Replacement - Engineered to original specifications
• Long Service Life - Durable construction for extended reliability

Technical Specifications

• Aisan Part Number: CB0541AC0
• SKU: 48-120
• Component Type: Accelerator Pedal Position Sensor (APP Sensor)
• Primary Application: Ford Ranger PJ/PK 2.5L & 3.0L, Mazda BT-50 UN 2.5L & 3.0L
• Weight: 0.3 kg (approximate)

Vehicle Compatibility

This Genuine Aisan pedal position sensor is compatible with the following models:

• Ford Ranger PJ — 2.5L & 3.0L diesel
• Ford Ranger PK — 2.5L & 3.0L diesel
• Mazda BT-50 UN — 2.5L & 3.0L diesel

Always verify fitment for your specific vehicle, model year, and engine variant before ordering.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Genuine Aisan pedal position sensor replaces the following OEM part numbers:

• CB0541AC0 (Aisan)
• APS-010 / APS010

Common Symptoms of a Faulty Pedal Position Sensor

• Check engine or throttle warning light illuminated on dashboard
• APP sensor fault codes (P2120, P2121, P2122, P2123, P2125, P2127, P2128)
• Engine entering limp mode or reduced power mode
• Hesitation or stumbling on acceleration
• Unresponsive or erratic throttle pedal
• Rough idle or unexpected engine speed changes
• Cruise control not functioning correctly
• Poor fuel economy
• Stalling or difficulty maintaining steady speed

What Does a Pedal Position Sensor Do?

The accelerator pedal position sensor (APP sensor) is a critical component of the electronic throttle control system. Mounted to the accelerator pedal assembly, the sensor uses dual potentiometers or Hall-effect elements to continuously measure how far the pedal is pressed and converts this into an electrical signal sent to the engine control unit (ECU). The ECU uses this data to determine the driver's intended throttle demand and commands the electronic throttle body to open by the correct amount. Modern vehicles use two redundant sensor circuits within the APP sensor for safety — if one circuit fails or the signals diverge, the ECU detects the fault and may restrict engine power or engage limp mode to protect the vehicle. A faulty APP sensor can cause erratic throttle response, limp mode activation, and a range of drivability issues.

Why Choose Genuine Aisan Pedal Position Sensors?

Genuine Aisan pedal position sensors are designed to meet or exceed original equipment specifications, ensuring accurate pedal position measurement, reliable signal output, and long service life. Aisan is a trusted OEM supplier to major vehicle manufacturers, and their sensors are built to exacting standards with precision engineering and quality materials specifically designed for the vehicles they serve. Using a genuine Aisan APP sensor ensures proper fitment, maintains your vehicle's electronic throttle control integrity, and provides the reliability you need for safe and responsive driving.

Installation Notes

Professional installation is recommended for best results. Pedal position sensor replacement typically involves removing the accelerator pedal assembly from the firewall or pedal box, disconnecting the electrical connector from the sensor, and replacing the sensor or the complete pedal assembly depending on the design. Ensure the new sensor is correctly seated and secured. Reconnect the electrical connector. In some cases, a throttle position relearn procedure may be required using a scan tool after installation. Clear any diagnostic trouble codes and test drive to verify smooth, responsive throttle operation and confirm no fault codes return.

Why Choose LM15 Motorsport?

We supply genuine OEM engine management and sensor components with fast shipping across Australia. Every pedal position sensor is carefully inspected to ensure you receive an authentic OEM component for reliable throttle system performance. Our team has extensive experience with Ford Ranger and Mazda BT-50 vehicles and can provide expert advice on throttle system maintenance and troubleshooting.

Need help with fitment or installation? Contact our expert team for advice specific to your Ford Ranger PJ/PK or Mazda BT-50 UN pedal position sensor requirements.