Source reference 10197317
Manufacturer communication — 2006 GMC YUKON XL
Relation to the target vehicle
- The trim (Denali) is not stated.
- Model year
- Match 2006 — Source vehicle field
- Model
- Match YUKON XL — Source vehicle field
- Trim
- Unknown
What the manufacturer’s document says
N202307080 ・ fault and correction ・ names this vehicle
Applies to
The model list includes the 2021 GMC Yukon and Yukon XL.
the passage
2021 GMC Yukon, Yukon XL
Fault
The engine control module (ECM) software may allow the Auto Stop to occur at a state of charge below 65%.
the passage
may have a condition where the engine control module (ECM) software allows the Auto Stop to occur at a state of charge below 65%.
Finding the cause
Possible causes
Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge.
the passage
Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge.
Steps to confirm (in the document’s order)
Involved vehicles are marked "open" on the Investigate Vehicle History screen in the GM Global Warranty Management system.
the passage
Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system.
Correction
Repair
Dealers are to reprogram the K20 Engine Control Module.
the passage
Dealers are to reprogram the K20 Engine Control Module.
Parts
No parts are required for this software update.
the passage
No parts are required for this software update.
Caution
Do not download or install the files wirelessly.
the passage
DO NOT DOWNLOAD or install the files wirelessly.
Clear DTCs after programming is complete.
the passage
Clear DTCs after programming is complete.
Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.
Stated content
Communication summary
特定の車両は、エンジンコントロールモジュール（ECM）ソフトウェアが、充電状態65%未満の状態でオートストップが発生することを許可する可能性がある状態を有する場合があります。オートストップは、過度なバッテリー摩耗および放電から保護するために、65%で禁止されるべきです。ディーラーはECMを再プログラムするものとします。 Machine translation (unreviewed)
Service Update Bulletin (Labor Codes Added). Certain vehicles may have a condition where the engine control module (ECM) software allows the Auto Stop to occur at a state of charge below 65%. Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge. Dealers are to reprogram the ECM.
Go to this passage in the original
Source
- Source
- NHTSA Manufacturer Communications
- Source reference
- 10197317
- Received by source
- 2021-06-14
- Incident date
- Unknown
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