Difference between revisions of "16815/P0431/001073"

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==== Possible Causes ====
 
==== Possible Causes ====
  
* Warm Up Catalyst Bank 2 defective
+
* Warm Up Catalyst Bank 2 faulty
  
 
==== Possible Solutions ====
 
==== Possible Solutions ====
  
* Check Warm Up Catalyst Bank 2 ''(set Readiness)''
+
* Check Warm Up Catalyst Bank 2
 +
** Set Readiness
 
* Replace Warm Up Catalyst Bank 2
 
* 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 (TPI 2010372)
 +
** 2000 - 2001 A4 or A6 with ATQ engine, see TSB 26-08-07 (TPI 2013086)
 +
** 2001 Allroad with APB engine, see TSB 01-08-20 (TPI 2005579)
 +
** 2001 A4 or A6 with APB engine, see TSB 01-08-34 (TPI 2012357)
 +
  
 
[[Category:Fault Codes]]
 
[[Category:Fault Codes]]

Latest revision as of 10:04, 26 March 2013

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 (TPI 2010372)
    • 2000 - 2001 A4 or A6 with ATQ engine, see TSB 26-08-07 (TPI 2013086)
    • 2001 Allroad with APB engine, see TSB 01-08-20 (TPI 2005579)
    • 2001 A4 or A6 with APB engine, see TSB 01-08-34 (TPI 2012357)