Difference between revisions of "16805/P0421/001057"
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RtWiKiSyS0p (talk | contribs) m (New page: __FORCETOC__ === 16805/P0421/001057 - Warm Up Catalyst; Bank 1: Efficiency Below Threshold === ==== Possible Causes ==== * Warm Up Catalyst Bank 1 faulty ==== Possible Solutions ==== *...) |
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** Set Readiness | ** Set Readiness | ||
* Replace Warm Up Catalyst Bank 1 | * Replace Warm Up Catalyst Bank 1 | ||
| + | |||
| + | ==== 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 | ||
[[Category:Fault Codes]] | [[Category:Fault Codes]] | ||
Revision as of 17:37, 18 November 2011
16805/P0421/001057 - Warm Up Catalyst; Bank 1: Efficiency Below Threshold
Possible Causes
- Warm Up Catalyst Bank 1 faulty
Possible Solutions
- Check Warm Up Catalyst Bank 1
- Set Readiness
- Replace Warm Up Catalyst Bank 1
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