Audi P1328: Cylinder 4-Knock Control Limit Attained

Is your scanner showing Audi P1328?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Audi P1328: Cylinder 4-Knock Control Limit Attained

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$150-$500
Can I Still Drive?
:
No

What Does The Audi P1328 Code Mean?

This code is set in this condition:

Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, and the ECM detected the Knock Sensor signal was more than the calibrated value.

What Are The Potential Causes Of The Audi P1328 Code?

Below are some potential causes of this DTC:

  • Knock sensor circuit is open
  • Knock sensor circuit is shorted to ground, or shorted to power
  • Knock sensor is damaged or it has failed
  • 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:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Bosch 0261231038 Original Equipment Engine Knock 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 46.

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