Diagnostics Codes Cadillac Sedan Deville
97 Cadillac Sedan Deville - Heater/AC Fan Died Lost the blower fans, not getting any heat or A/C. After a particularly slushy day heard a funny noise coming from the heater then it died totally the next day after a cold night. The lights which indicate the blower setting still work. I pulled of the these diagnostics codes and don't know what they represent.MSM B0856
MSM B1983
MSM U1300
MSM U1136
MMM 2148
Thank you for any ideas.
Dirty Battery
Bat/source low voltage
Class 2 shorted to ground
Loss of serial communications for class 2 devices
2148 what??? P B C U?
I have no idea but you might have anything from pinched wires to a bad battery connection.
The blower on mothers 91 Caddy stopped one day in the summer. Ended up the wire on the brush holder broke off. New blower motor was around $82.00
========= Harryface =========
1991 Pontiac Bonneville LE, 3800 V6 _~_~_~_~275,068 miles_~_~_ ~_~_MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.