55 A/D Error

From SaturnWiki

Jump to: navigation, search
[edit]

Description

The PCM receives analog voltage signals from various sensors and converts them to digital square waves. If there is a problem with the conversion process, Code 55 will set.

[edit]

Code Parameters

  • Code 55 will set if:
  • The analog to digital conversion takes too long.
  • The low voltage of a square wave is greater than 0.1 volt.
  • The high voltage of a square wave is less than 4.88 volts.
[edit]

Diagnostic Aids

  • Code 55 indicates an internal PCM malfunction. The PCM should be replaced.
Retrieved from "http://www.saturnwiki.net/index.php/55_A/D_Error"
Personal tools