DTC U1151 Isuzu

Microphone 1 (LF) Input Signal Circuit Open

Microphone 1 (LF) Input Signal Circuit Open

Description

The amplifier performs a self diagnostic of the microphone circuits 16 seconds after initial power up, then periodically every 400 milliseconds thereafter.

Cause and Solution

DTC B1277 04, B127C 04, B127D 04DTC B1325 is not currentAn open is detected on the specified (+) or (-) signal circuit for more than 1.5 seconds

Video Guide

Duration: PT3M56S | Uploaded: 2020-06-21

Diagnostic Info

  • DTC Code: U1151
  • Brand: Isuzu
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