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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > e93 error code: p1505, p15c9, p1775 and INPA codes



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      03-22-2021, 01:54 AM   #1
lvfb
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e93 error code: p1505, p15c9, p1775 and INPA codes

cross post from another site:

the ABS, DSC, and BRAKE lights lit up amber and stayed on for a while only to go back off during the same drive. Later that day on another drive the same thing happened but this time the Service Engine Soon light came on and stayed on. The ABS, DSC, and BRAKE lights don't stay lit ever, instead intermittently turning on and off. I brought the car to Autozone this morning for a code scan and they pulled code P1775. A quick google suggests that the code refers to a problem with the rear right wheel speed sensor.

I have replaced the right rear wheel speed sensor wire with a new one i got from amazon for like 10 bucks.

I then button mashed all the "clear" options i had in INPA and the check engine light went away.

I still have the other three lights that are not lit up until after driving about 50 feet.

I plugged in my autozone reader and it still shows 2 codes (which it says are "permanent" stored)
p1505 and p15c9

i ordered the other 3 wires as well and was going to try and change them / clean the wheel hubs to see if i can get these damn lights to go away.

If anyone has any ideas i can try that as well
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      07-18-2021, 04:33 PM   #2
lvfb
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changing all 4 of the wires did not help. i guess it was prob the dsc unit it self needing to be replaced. car got totaled so never fixed it
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