vcfront_a197
Moderate
Tesla · SUVs
12V battery degraded
Quick Answer
Error code VCFRONT_a197 on your Tesla SUVs means: 12V battery degraded. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
TMCTTMX1TMX1_PTM3YTM3Y_LRTM3Y_P
Likely Causes
  1. 12V battery nearing end of service life
  2. Chronic undercharging of 12V battery
  3. Excessive parasitic draw
  4. Internal cell failure
  5. Faulty alternator or charging circuit
How to Fix It
1
Perform voltage measurement across battery terminals
2
Check charging system output voltage
3
Verify alternator operation with engine running
4
Test battery load capacity with battery tester
5
Replace 12V battery with Tesla approved unit
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
12V battery
Related Error Codes
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