2000–2004 Acura 3.5RL VSA DTC 66 After VSA Modulator-Control Unit Replacement
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Just replaced the VSA modulator-control unit (VSA modulator assembly), but now you’ve got a VSA DTC 66 (pressure sensor)? Try doing the precharge brake line bleeding procedure in the applicable S/M. (Online, enter keyword PRECHARGE and select Precharge Brake Line Bleeding from the list.) When you’re done, manually clear this DTC. Don’t try clearing it with the HDS or you’ll wind up with a VSA DTC 98—a bogus DTC. (To learn more about this problem, see the December ’04 ServiceNews article “HDS Software Bug Causes Bogus VSA DTC 98.”) After doing the bleeding procedure and manually clearing DTC 66, you should be done with this repair. But if that DTC just won’t go away . . . then check out the VSA DTC 66 troubleshooting procedure. (Online, enter keywords DTC 66 and select DTC Troubleshooting: 66 from the list.)
Just replaced the VSA modulator-control unit (VSA modulator assembly), but now you’ve got a VSA DTC 66 (pressure sensor)? Try doing the precharge brake line bleeding procedure in the applicable S/M. (Online, enter keyword PRECHARGE and select Precharge Brake Line Bleeding from the list.) When you’re done, manually clear this DTC. Don’t try clearing it with the HDS or you’ll wind up with a VSA DTC 98—a bogus DTC. (To learn more about this problem, see the December ’04 ServiceNews article “HDS Software Bug Causes Bogus VSA DTC 98.”) After doing the bleeding procedure and manually clearing DTC 66, you should be done with this repair. But if that DTC just won’t go away . . . then check out the VSA DTC 66 troubleshooting procedure. (Online, enter keywords DTC 66 and select DTC Troubleshooting: 66 from the list.)
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