DPB_a109_GTMTbuMonError
Power braking assist reduced
What does the DPB_a109_GTMTbuMonError alert mean?
GTM reference frequency error.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
Clock signal to GTM peripheral or system timer is faulty. The time passed in the sytem timer is compared with the time passed in GTM peripheral.
When it clears
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Potential impact
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
Affected models
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