Audi P1398: Engine RPM Signal, TD Short to Ground

Is your scanner showing Audi P1398?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Audi P1398: Engine RPM Signal, TD Short to Ground

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$300
Can I Still Drive?
:
Yes

What Does The Audi P1398 Code Mean?

Key on or Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must

What Are The Potential Causes Of The Audi P1398 Code?

  • Can-bus signal faulty
  • Speed sensor 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:

>>> ZBN Crank Crankshaft Position Sensor 0261210147 06A906433C
>>> Twippo 372Pcs Waterproof Wire Connectors Kit

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

Reference Sources

Audi P1398, DTCDECODE.

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