Dana: Created page with "FORCETOC == 00438 - Fuel Supply Sensor 2 (G169) == === 00438 - Fuel Supply Sensor 2 (G169): Open or Short to Plus === * Fuel gauge reading incorrect. May be stuck on..."

2021-03-04T22:27:28Z

Created page with "__FORCETOC__ == 00438 - Fuel Supply Sensor 2 (G169) == === 00438 - Fuel Supply Sensor 2 (G169): Open or Short to Plus === * Fuel gauge reading incorrect. May be stuck on..."

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__FORCETOC__

== 00438 - Fuel Supply Sensor 2 (G169) ==

=== 00438 - Fuel Supply Sensor 2 (G169): Open or Short to Plus ===

* Fuel gauge reading incorrect. May be stuck on empty.
* Instrument cluster display reads ''Electrical fault in fuel tank'' (or similar) message.

==== Possible Causes ====

* Wiring between Fuel Level 2 (G169) and Instrument Cluster faulty
* Ground issues
* In-tank connectivity issues to Fuel Level 2 (G169)
* Faulty Fuel Level 2 (G169)
* Faulty Instrument cluster

==== Possible Solutions ====

* Check all wiring including grounds to/from Instrument Cluster and Fuel Level 2 (G169)
* Check applicable [https://www.ross-tech.com/vcds/tour/m-blocks.php Measuring Block(s)] or [https://www.ross-tech.com/vcds/tour/adv-meas-blocks.php Advanced Measuring Values]
* Check resistance specifications per the [[Official Factory Repair Information |factory level repair manual]] using a DVOM
* Check for in-tank connection issues
* Check/Replace Fuel Level 2 (G169)
* Check/Replace Instrument cluster.
** Notes
***If any other functions of the Instrument Cluster are malfunctioning make sure to save a complete [https://www.ross-tech.com/vcds/tour/autoscan.php Auto-Scan] before powering down (unplugging) the control module for at least 30 minutes to see if the problem is temporarily fixed.
***If the Instrument cluster is faulty make sure the installed system can be matched using the PIN and VCDS as per our [[Immobilizer]] page.

=== Special Notes ===
* When [[00438]] is found in conjunction with [[00771]] in the NAR market (4F) chassis A6 see TPI 2020884 to determine if the 4F0 298 200 B (or newer) repair kit is needed.
* When [[00438]] is found in conjunction with [[00771]], [[00439]] or [[00251]] in the NAR market (42) chassis R8 see TPI 2022203 determine if the 420 298 200 A (or newer) repair kit is needed.

[[Category:Fault Codes]]

00438 - Revision history

Dana: Created page with "__FORCETOC__ == 00438 - Fuel Supply Sensor 2 (G169) == === 00438 - Fuel Supply Sensor 2 (G169): Open or Short to Plus === * Fuel gauge reading incorrect. May be stuck on..."

Dana: Created page with "FORCETOC == 00438 - Fuel Supply Sensor 2 (G169) == === 00438 - Fuel Supply Sensor 2 (G169): Open or Short to Plus === * Fuel gauge reading incorrect. May be stuck on..."