Volkswagen P1655: Please Check DTC Memory of the ADR Control Module

Is your scanner showing Volkswagen P1655?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Volkswagen P1655: Please Check DTC Memory of the ADR Control Module

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$300
Can I Still Drive?
:
Yes (Short-term only)

What Does The Volkswagen P1655 Code Mean?

The Engine Control Module (ECM) communicates with all databus-capable control modules via a CAN databus. These databus-capable control modules are connected via two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information.

What Are The Potential Causes Of The Volkswagen P1655 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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Volkswagen Engine Control Module
>>> 1812089 Throttle Position Sensor
>>> Volkswagen Jetta Accelerator Pedal Sensor

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

Reference Sources

Volkswagen P1655, DTCDECODE.

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