L
c1201
Moderate
Lexus · SUVs
ABS System Malfunction
Quick Answer
Error code C1201 on your Lexus SUVs means: ABS System Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty ABS wheel speed sensor
  2. ABS pump failure
  3. Low brake fluid level
  4. Wiring harness damage
  5. ABS control module issue
How to Fix It
1
Check brake fluid level and condition
2
Inspect all wheel speed sensors
3
Test ABS sensor resistance with multimeter
4
Check wiring harness for continuity
5
Perform ABS system diagnostic test
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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