11037728
Date: 2026-09-27. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Power Cable Alternator Replacement
No complaints are listed for the 2027 Mack Granite GR (4). NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as MACK GRANITE GR (4).
Complaints per 100k sold unavailable. No sales source is available for this record.
Model-generated complaint tags: No complaints are listed for tagging.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
9 manufacturer communications.
| System | Count |
|---|---|
| ELECTRICAL SYSTEM | 5 |
| POWER TRAIN | 3 |
| AIR BAGS | 1 |
| ENGINE | 1 |
| SEAT BELTS | 1 |
| UNKNOWN OR OTHER | 1 |
Date: 2026-09-27. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Power Cable Alternator Replacement
Date: 2026-09-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Diagnostic instructions for CAN network communication issues.
Date: 2026-09-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Jumper Harness Repair for Version 4 Mack Trucks
Date: 2026-06-22. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
Date: 2026-05-29. Type: Service Bulletin/Repair Instructions. Systems: AIR BAGS, ELECTRICAL SYSTEM, SEAT BELTS.
Fault diagnostic information for Supplemental Restraint / Airbag Inflation System (SRS)
Date: 2026-04-25. Type: Over The Air. Systems: POWER TRAIN.
GDC - Transmission Oil Level Sensor
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Carrier Nut Adhesive Change.
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
Date: 2026-03-19. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, UNKNOWN OR OTHER.
CBR - No Start Condition After Over the Air Programing.
None listed.
| NHTSA model label | Complaints |
|---|---|
| GRANITE GR (4) | 0 |
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curl "https://api.theusedcarindex.com/v1/demo/vehicle_risk?make=Mack&model=Granite+GR+%284%29&year=2027"Paid endpoint: https://api.theusedcarindex.com/v1/vehicle_risk. MCP endpoint: https://api.theusedcarindex.com/mcp.