B0020 on the 2014 GMC Yukon
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 08-09-41-002H | 2018-05-21. Service bulletin. This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance (CPA) Retainer) |
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| G-178170 | 2017-08-15. Service bulletin. 13364 - Service Update. Replace the passenger side front air bag. These vehicles may have a condition in which the passenger side front air bag will not function as designed due to an electrical connector not being properly engaged. This condition may set diagnostic trouble code (DTC) B0020 ? Passenger Frontal Deployment Loop Stage 2 Resistance Above Threshold. If this occurs, the Sensing and Diagnostic Module (SDM) will request the instrument cluster to illuminate the air bag malfunction indicator lamp. If a crash event occurs the SDM will attempt air bag deployment, but, if the mating terminals do not make contact, the secondary stage of the passenger side front air bag will not deploy, increasing the risk of injury to the occupant. |
| 13364A | 2017-02-03. Service bulletin. 13364A - SERVICE UPDATE (REVISED EXPIRATION DATE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE PASSENGER SIDE FRONT AIR BAG ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE A CONDITION IN WHICH THE PASSENGER SIDE FRONT AIR BAG WILL NOT FUNCTION AS DESIGNED DUE TO AN ELECTRICAL CONNECTOR NOT BEING PROPERLY ENGAGED. THIS CONDITION MAY SET DIAGNOSTIC TROUBLE CODE (DTC) B0020 – PASSENGER FRONTAL DEPLOYMENT LOOP STAGE 2 RESISTANCE ABOVE THRESHOLD. IF THIS OCCURS, THE SENSING AND DIAGNOSTIC MODULE (SDM) WILL REQUEST THE INSTRUMENT CLUSTER TO ILLUMINATE THE AIR BAG MALFUNCTION INDICATOR LAMP. IF A CRASH EVENT OCCURS THE SDM WILL ATTEMPT AIR BAG DEPLOYMENT, BUT, IF THE MATING TERMINALS DO NOT MAKE CONTACT, THE SECONDARY STAGE OF THE PASSENGER SIDE FRONT AIR BAG WILL NOT DEPLOY, INCREASING THE RISK OF INJURY TO THE OCCUPANT. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.