Audi P1630: Acceleration Pedal Position Sensor 1 Signal Too Low

What Does The Audi P1630 Code Mean?

Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, the ECM detected that the accelerator pedal position sensor signal was too low.

Note: Both the Throttle Position (TP) Sensor and Accelerator Pedal Position Sensor 2 are located at the accelerator pedal module and communicate the driver’s intentions to the ECM completely independently of each other. Both sensors are stored in one housing.

What Are The Potential Causes Of The Audi P1630 Code?

• Ground between engine and chassis may be broken
• Throttle position sensor may have failed
• Accelerator Pedal Position Sensor 2 has failed
• Throttle position sensor wiring may have shorted
• Faulty voltage supply
• ECM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Audi Throttle position sensor
>>> Hellla 010946011 Accelerator Pedal Sensor
>>> Audi Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

• Audi A4 Avant 95-01 Service Repair Manual, page 61.
• Omnitek Engineering Corp., 2006, Diagnostic Trouble Code (DTC) Guide for Omnitek ECM 64A/66A/88A, page 141.