DTC Detecting Condition and Trouble Area
DTC P0703: SYMPTOM DIAGNOSIS DESCRIPTION CHART
| DTC detecting condition |
Trouble area |
DTC P0703: Brake Switch "B" Circuit
Brake light switch signal received from ECM is no change. (2 D/C detection logic) |
- CAN communication line
- Brake light switch and/or its circuit
- ECM
- BCM
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