2026 Mack Granite GR (4) technical service bulletins
20 technical service bulletins and manufacturer communications cover the 2026 Mack Granite GR (4).
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Power Cable Alternator Replacement
- Diagnostic instructions for CAN network communication issues.
- Jumper Harness Repair for Version 4 Mack Trucks
- The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86...
- Fault diagnostic information for Supplemental Restraint / Airbag Inflation System (SRS)
- Gdc
- Cbr
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- Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
- Cbr
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- Sc
- Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low...
- Mack DEF Level (UQLS) Sensor Troubleshooting Guide
- Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming
- Lack of lateral structural hood support.
- Mack Chassis
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