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	<id>https://wiki.ross-tech.com/wiki/index.php?action=history&amp;feed=atom&amp;title=P0556</id>
	<title>P0556 - Revision history</title>
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	<updated>2026-05-25T18:17:31Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.ross-tech.com/wiki/index.php?title=P0556&amp;diff=9043&amp;oldid=prev</id>
		<title>Jef: /* Special Notes */</title>
		<link rel="alternate" type="text/html" href="https://wiki.ross-tech.com/wiki/index.php?title=P0556&amp;diff=9043&amp;oldid=prev"/>
		<updated>2021-03-09T19:57:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Special Notes&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:57, 9 March 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The NAR (North American market) market CZTA 1.4T Jetta:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The NAR (North American market) market CZTA 1.4T Jetta:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the 01-Engine control module is up to date per TPI 2045383 (TSB 01-18-09) on M.Y. 2016 - 2017 vehicles.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the 01-Engine control module is up to date per TPI 2045383 (TSB 01-18-09) on M.Y. 2016 - 2017 vehicles.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;**** https://static.nhtsa.gov/odi/tsbs/2016/MC-10130153-9999.pdf  NHTSA&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the (V192) Brake system vacuum pump, (J57) Vacuum pump relay and fuse are OK.   The 1.4L gasoline engine CZTA &amp;#039;&amp;#039;(AW0) from July 2015&amp;#039;&amp;#039; uses fuses SB4 and SB16 but verify the car in question using the [[Official Factory Repair Information]].  Because Selective Output Tests and Basic Settings for those components are NOT supported by the ECU it will be necessary to diagnose those components manually.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the (V192) Brake system vacuum pump, (J57) Vacuum pump relay and fuse are OK.   The 1.4L gasoline engine CZTA &amp;#039;&amp;#039;(AW0) from July 2015&amp;#039;&amp;#039; uses fuses SB4 and SB16 but verify the car in question using the [[Official Factory Repair Information]].  Because Selective Output Tests and Basic Settings for those components are NOT supported by the ECU it will be necessary to diagnose those components manually.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The NAR market 2013 - 2016 Jetta Hybrid:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The NAR market 2013 - 2016 Jetta Hybrid:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** See Tech Tip 01-16-04.  That document describes manually testing the vacuum pump and relay but also makes note that the relay may be in positions R5 -or- R6.  It will be necessary to use the [[Official Factory Repair Information]] for this system as well.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** See Tech Tip 01-16-04.  That document describes manually testing the vacuum pump and relay but also makes note that the relay may be in positions R5 -or- R6.  It will be necessary to use the [[Official Factory Repair Information]] for this system as well.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;**** https://static.nhtsa.gov/odi/tsbs/2016/MC-10123383-9999.pdf  NHTSA&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The RoW (Rest of World) CAVE 1.4L:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;** The RoW (Rest of World) CAVE 1.4L:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the 01-Engine control module using part number 03C 906 027 AR is up to date per TPI 2030355.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** Make sure the 01-Engine control module using part number 03C 906 027 AR is up to date per TPI 2030355.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key rosswikidb:diff:1.41:old-8925:rev-9043:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>Jef</name></author>
	</entry>
	<entry>
		<id>https://wiki.ross-tech.com/wiki/index.php?title=P0556&amp;diff=8925&amp;oldid=prev</id>
		<title>Dana: Created page with &quot;== P0556 - Brake Booster Pressure Sensor: Implausible Signal ==  ====  Special Notes ==== * When found in: ** The NAR (North American market) market CZTA 1.4T Jetta: *** Make...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.ross-tech.com/wiki/index.php?title=P0556&amp;diff=8925&amp;oldid=prev"/>
		<updated>2020-10-19T16:50:25Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== P0556 - Brake Booster Pressure Sensor: Implausible Signal ==  ====  Special Notes ==== * When found in: ** The NAR (North American market) market CZTA 1.4T Jetta: *** Make...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== P0556 - Brake Booster Pressure Sensor: Implausible Signal ==&lt;br /&gt;
&lt;br /&gt;
====  Special Notes ====&lt;br /&gt;
* When found in:&lt;br /&gt;
** The NAR (North American market) market CZTA 1.4T Jetta:&lt;br /&gt;
*** Make sure the 01-Engine control module is up to date per TPI 2045383 (TSB 01-18-09) on M.Y. 2016 - 2017 vehicles.&lt;br /&gt;
*** Make sure the (V192) Brake system vacuum pump, (J57) Vacuum pump relay and fuse are OK.   The 1.4L gasoline engine CZTA &amp;#039;&amp;#039;(AW0) from July 2015&amp;#039;&amp;#039; uses fuses SB4 and SB16 but verify the car in question using the [[Official Factory Repair Information]].  Because Selective Output Tests and Basic Settings for those components are NOT supported by the ECU it will be necessary to diagnose those components manually.&lt;br /&gt;
** The NAR market 2013 - 2016 Jetta Hybrid:&lt;br /&gt;
*** See Tech Tip 01-16-04.  That document describes manually testing the vacuum pump and relay but also makes note that the relay may be in positions R5 -or- R6.  It will be necessary to use the [[Official Factory Repair Information]] for this system as well.&lt;br /&gt;
** The RoW (Rest of World) CAVE 1.4L:&lt;br /&gt;
*** Make sure the 01-Engine control module using part number 03C 906 027 AR is up to date per TPI 2030355.&lt;br /&gt;
&lt;br /&gt;
__FORCETOC__&lt;br /&gt;
[[Category:Fault Codes]]&lt;/div&gt;</summary>
		<author><name>Dana</name></author>
	</entry>
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