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Error Codes P1632 and P1515

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Old 12-02-2022, 09:33 AM
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Engine: M54
Default Error Codes P1632 and P1515

E60 2005 530i
215,000 miles
The car turns on but is in limp mode. RPM dial is jumping up and down as if it was revving on its own. It throws out two codes P1632 and P1515. Control Module Throttle Actuator Position Performance andElectromotive Throttle Actuator. I installed a new throttle body and disa valve recently and problem still persists. Anyone else go through this and found the problem? Thanks.
Old 12-03-2022, 09:04 AM
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Did you check to see if there was a crack in the intake boot? Also check battery

Last edited by seanjordan20; 12-03-2022 at 09:09 AM.
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Old 12-03-2022, 01:24 PM
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Yeah, sounds like a leak. I can understand how it would throw an actuator code. If it can't compensate for the leak, it would assume that the actuator is the culprit. Maybe, but not always.
Old 12-03-2022, 02:39 PM
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I did. Inspected the boot when i installed the throttle body. Zero cracks. The crazy thing is that when i put the car in drive, it seems to stabalize.
Old 12-03-2022, 03:05 PM
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You need to do a smoke test.
Old 12-06-2022, 05:20 PM
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I concur do a smoke test or you'll keep throwing parts at it
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