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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
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<blockquote data-quote="Ruger" data-source="post: 809949" data-attributes="member: 1594"><p>Okay, I've learned something about how the UltraGauge interfaces with my 2011 Raptor, and it's not positive. The UG has three "Power On Detect Modes," meaning that one of three different ways may be chosen for it to detect when to turn on:</p><p>- Mode 0 continually queries the ECM to determine if it is powered and active. If a response is received from the ECM, the UG assumes that the ignition is in RUN position and turns itself on. However, this mode may cause battery drain for GM vehicles and those which use the CAN protocol. (Late model Fords use the CAN 11 bit protocol.)</p><p>- Mode 1 is not the default mode, but is "typically preferred." This mode actively monitors the communication bus for activity, and if found the UG will then attempt communication with the ECM. If the ECM responds, the ignition is assumed to be in the RUN position and the UG turns itself on. "In very rare cases, certain vehicles may exhibit battery drain in Mode 1." Among those, according to the user manual, are 2011 Fords. Well son of a gun, my 2011 Raptor exhibited battery drain because of the UG.</p><p>- Mode 2 is the default mode, and the manual says that it can be used for all vehicles and protocols. In Mode 2 the UG detects that the engine is running (this is different than the ignition being in the RUN position) by detecting elevated battery voltage because the alternator is running. "The weakness of Mode 2 is that simply turning the ignition to the RUN position will not wake the UltraGauge. For this reason, Mode 1 is preferred."</p><p></p><p>One of the principal reasons I bought the UG was because I wanted a voltage gauge, one of the most useful gauges you can put in any vehicle. When the ignition is first turned to RUN but before you turn it to START, a volt gauge will read the battery voltage. When the ignition is turned to START and the starter is cranking, the volt gauge will give you a relative idea of how much electrical power the starter is drawing. And when the engine is running, the volt gauge will read alternator output. One gauge gives you the health of all three principal electrical components of the vehicle. And the UltraGauge will NOT DO THIS for my Raptor because Modes 0 and 1 will cause battery drain, and Mode 2 doesn't turn on the UG until the engine is running. I am very disappointed. I wanted a gauge that will monitor the electrical health of the Raptor, and instead what I have is a gauge that won't do that and will actually cause electrical problems in 2 of 3 modes.</p><p></p><p>So now I have the UG set to Mode 2 and have the battery charging. If I experience battery drain in Mode 2 it's going back to the manufacturer for a refund. Whether it does or doesn't, I still need a voltage gauge.</p></blockquote><p></p>
[QUOTE="Ruger, post: 809949, member: 1594"] Okay, I've learned something about how the UltraGauge interfaces with my 2011 Raptor, and it's not positive. The UG has three "Power On Detect Modes," meaning that one of three different ways may be chosen for it to detect when to turn on: - Mode 0 continually queries the ECM to determine if it is powered and active. If a response is received from the ECM, the UG assumes that the ignition is in RUN position and turns itself on. However, this mode may cause battery drain for GM vehicles and those which use the CAN protocol. (Late model Fords use the CAN 11 bit protocol.) - Mode 1 is not the default mode, but is "typically preferred." This mode actively monitors the communication bus for activity, and if found the UG will then attempt communication with the ECM. If the ECM responds, the ignition is assumed to be in the RUN position and the UG turns itself on. "In very rare cases, certain vehicles may exhibit battery drain in Mode 1." Among those, according to the user manual, are 2011 Fords. Well son of a gun, my 2011 Raptor exhibited battery drain because of the UG. - Mode 2 is the default mode, and the manual says that it can be used for all vehicles and protocols. In Mode 2 the UG detects that the engine is running (this is different than the ignition being in the RUN position) by detecting elevated battery voltage because the alternator is running. "The weakness of Mode 2 is that simply turning the ignition to the RUN position will not wake the UltraGauge. For this reason, Mode 1 is preferred." One of the principal reasons I bought the UG was because I wanted a voltage gauge, one of the most useful gauges you can put in any vehicle. When the ignition is first turned to RUN but before you turn it to START, a volt gauge will read the battery voltage. When the ignition is turned to START and the starter is cranking, the volt gauge will give you a relative idea of how much electrical power the starter is drawing. And when the engine is running, the volt gauge will read alternator output. One gauge gives you the health of all three principal electrical components of the vehicle. And the UltraGauge will NOT DO THIS for my Raptor because Modes 0 and 1 will cause battery drain, and Mode 2 doesn't turn on the UG until the engine is running. I am very disappointed. I wanted a gauge that will monitor the electrical health of the Raptor, and instead what I have is a gauge that won't do that and will actually cause electrical problems in 2 of 3 modes. So now I have the UG set to Mode 2 and have the battery charging. If I experience battery drain in Mode 2 it's going back to the manufacturer for a refund. Whether it does or doesn't, I still need a voltage gauge. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
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