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Service bulletin 3642

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10018533
Published by NHTSA2006-01-05
Manufacturer's number3642
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

SES LIGHT WITH A P0230 DTC AND NO PERFORMANCE CONCERNS - REPLACE ECM. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Trouble codes named

P0230

Vehicles listed
CHEVROLET COBALT2006
CHEVROLET HHR2006
CHEVROLET MALIBU2006
PONTIAC G62006
PONTIAC SOLSTICE2006
SATURN ION2006

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
01-06-01-011P2024-09-05. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
16-NA-3832024-03-19. Service bulletin. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
22-NA-0742024-02-29. Service bulletin. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
16-NA-3382024-02-17. Service bulletin. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
10134C2024-02-12. Service bulletin. Special Coverage Adjustment ? Catalytic Converter Warranty Extension
PI1394B2024-02-02. Service bulletin. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
10134C2023-12-11. Service bulletin. Special Coverage Adjustment ? Catalytic Converter Warranty Extension
03-00-91-001I2023-11-22. Service bulletin. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
01-06-01-011O2023-10-25. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.