Chrysler Town and Country 2001–2003 — technical service bulletin
Bulletin 1802803 · NHTSA communication 10003419 · issued Jul 25, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2003
model years
9
vehicle entries
Official summary
Vehicle with properly functioning evaporative emissions system repeatedly sets diagnostic trouble code p0456 when customer regularly commutes on a steep grade. *tt
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.