16815/P0431/001073

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Revision as of 17:54, 18 November 2011 by Jef (talk | contribs)

16815/P0431/001073 - Warm Up Catalyst; Bank 2: Efficiency Below Threshold

Possible Causes

  • Warm Up Catalyst Bank 2 faulty

Possible Solutions

  • Check Warm Up Catalyst Bank 2
    • Set Readiness
  • Replace Warm Up Catalyst Bank 2

Special Notes

  • When found on the following, there may be a firmware update:
    • 2000 - 2001 Passat with ATQ engine, see TSB 01-07-07
    • 2000 - 2001 A4 or A6 with ATQ engine, see TSB 26-08-07
    • 2001 Allroad with APB engine, see TSB 01-08-20
    • 2001 A4 or A6 with APB engine, see TSB 01-08-34
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