P 1516 manf. cntrl. veh. spd. idle speed control aux imputs. on the dash eng. power lost.
Connection to your throttle body. Get a repair kit. Here is a video explaining the problem. Just click on the link.
SOURCE: engine light code P1507:
P1507 is "Idle Air Control System Underspeed Error". This code indicates a problem with the Idle Air Control (IAC) valve assembly, harness wiring for the IAC or the Powertrain Control Module. So checking the IAC next is the most logical step.
SOURCE: 1998 BMW Z3 1.9L Trouble code
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You need to replace the disa valve/adjuster unit to fix the toruble code.
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SOURCE: manf. cntrl veh. spd. idle speed control auxiliary inputs
DTC P1572: BRAKE CANCEL SWITCH OUT OF SELF TEST RANGE
NOTE:
Limited information available from
manufacturer.
NOTE:
For circuit reference, see appropriate diagram in WIRING DIAGRAMS
article.
Possible Causes
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