What kind of radio do i need to use with my pioneer cdx-p23s so it will work right

All in the links

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You plug the cd changer modulator box into the factory radio antenna jack. Connect the factory antenna into the modulator box. The connect the modulators power and ground wires to the appropriate sources. Depending on what kind of connector dodge used you may have to purchase an set of antenna adapters. The modulator uses a standard Motorola plug. Various car manufacturers have created their own special plugs...i honestly do not know if dodge has done this or not.

CDs go in the Upside Down position. Your PD M501 will accept PRW 1139, PRW 1141 and 163.
Lexus Models: CDX-M9071zt CDX-M8036, CDX-M9071, CDX-M9741, CDX-M9751
also:
Philips CDC-875 Pioneer CDX-FM35 Pioneer CDX-FM45 Pioneer CDX-M30 Pioneer CDX-M40 Pioneer PD-DM802

* Pioneer PD-DM902 Pioneer PD-M403 Pioneer PD-M423 Pioneer PD-M426 Pioneer PD-M450 PD-M453 PD-M455
* Pioneer PD-M501 Pioneer PD-M502 PD-M503 Pioneer PD-M510 Pioneer PD-M530 Pioneer PD-M550 Pioneer PD-M552 Pioneer
* PD-M600 PD-M601 PD-M603 Pioneer PD-M610 Pioneer PD-M630 Pioneer PD-M650
* Pioneer PD-M701 Pioneer PD-M702 Pioneer PD-M703 Pioneer PD-M710 Pioneer PD-M730
* Pioneer PD-M801 Pioneer PD-TM1 Pioneer PD-TM2 Pioneer PD-TM3 Pioneer CCS-430
* DCM-444 and DCM 777

BMW 740 OEM

the installtion must be wrong, are you using this with a pioneer radio or fm modulator /
how do you know the changer is doing that and not the keyless entry ?

no you need to take it to a technition it have to be open

Error 11 means the CD is in upside down, flip it over and it will work like a champ.

http://www.pioneer.eu/files/pdf/CE_OE_Interface.pdf

ON THE REMOTE DOES IT SHOW THAT THE DISCS ARE PLAYING IF -SO CHECK THE ANT CONNECTIONS IF THEY ARE NOT IN THE CORRECT ORDER THEY WILL NOT WORK AND THE SOUND WILL NOT COME OUT OF SPEAKERS I CAN HELP YOU WITH MANUAL CALL 1800 TECH CAR THAT IS PIONEERS DIRECT NUMBER HOPE THAT HELPS

iwish i can help but i cant

how to hook up pioneer cdx-fm35