Jeep Grand Cherokee 2005 — technical service bulletin
Bulletin 2500105 · NHTSA communication 10017003 · issued Oct 22, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005
model years
2
vehicle entries
Official summary
Malfunction indicator lamp due to diagnostic trouble code p0401-egr solenoid circuit negative deviation or system performance. *sc
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.