DTC P1680 Buick
UNIVERSAL GARAGE DOOR SWITCH 3 STUCK
UNIVERSAL GARAGE DOOR SWITCH 3 STUCK
Driver’s air bag module (2nd squib) system fault for power supply circuit (Short-circuited to power supply)
Electronic Control Unit ROM Malfunction
Keyless Entry System Key Fobs Not Programmed
Left Rear Side Impact Sensor Invalid Serial Data Received
No Communication With HVAC Control Module
Trans Preference Switch Circuit Low
DC-DC Converter Lost Communication with Motor Control Module (MCM) (HYBRID MODELS)
Skid Control ECU Malfunction
No Communication With Instrument Panel Cluster
CABIN HEATER 3 CONTROL - CIRCUIT SHORT TO GROUND OR OPEN
NVM Memory Failure Diagnosis: CLEAR the DTCs. REPEAT the self-test. If DTC B2143 is still present, INSTALL a new IC . TEST the system for normal operation.