LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
GMC
>>
2018
>>
Terrain SL
>>
Repair and Diagnosis (Single Page)
>>
Accessories & Equipment
>>
Entertainment Systems
>>
Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
>>
Diagnostic Information And Procedures
>>
DTC B2455: Cellular Phone Microphone Circuit (IO5/IO6/IOB)
>>
Diagnostic Fault Information
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Diagnostic Fault Information
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
Microphone Signal
B2455 02
B2455 04
B2455 04
-
Microphone Low Signal
B2455 02
B2455 04
B2455 04
-