C36 AMG, C43 AMG (W202) 1995 - 2000

C36 Fault code P0505

Old 02-05-2019, 11:57 AM
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C36 amg
C36 Fault code P0505

Just picked up a C36 and diagnosed a fault code P0505. The ASR light turns after a few minutes of driving and the car goes into limp mode. The kick down seems to engage unnecessarily at low speeds but from a standstill if I floor it the gears change smoothly. Has anyone experienced this?
Thanks!
Old 02-05-2019, 01:29 PM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG sold)
https://www.obd-codes.com/p0505 but don't know if it applies to the C36
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Old 02-07-2019, 11:14 AM
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Originally Posted by DRBC43AMG
https://www.obd-codes.com/p0505 but don't know if it applies to the C36
I think that it does not apply to the C36. Was hoping for a more specific solution. I have replaced the throttle body which I believe controls the idle air control and will attempt to replace all vacuum lines. The idle speed changes but I think that is part of the car going into limp mode.
Old 02-08-2019, 12:24 PM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG sold)
You have a full list of MB codes which come from a reliable source: https://www.fitzhughmedia.com/MBF/obdIIcodes.html
Old 02-11-2019, 09:06 AM
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Update... Confirmed vacuum leak. Replaced a couple hoses but still have an issue. Is there a comprehensive diagram of all vacuum lines on the C36?

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