LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Suzuki
>>
2002
>>
Grand Vitara JLX, Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P0401 Or DTC P0402
>>
Notes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC P0401 Or DTC P0402: Notes
Code Definition
DTC P0401: Insufficient EGR Flow
DTC P0402: Excessive EGR Flow