Sedona V6-3.5L (2003)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - MIL ON/DTC P0128 Set
Model: Sedona [GQ]
Group: Fuel System(14)
Number: KT2008022101
Date: Thursday, February 21, 2008
Area: N. America
Subject:
Sedona (GQ) PCM Upgrade MIL ON With P0128 (Engine - 040)
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Description
This bulletin provides the procedure to upgrade the PCM software of some 2002 - 2005 SEDONA (GQ) 3.5L L vehicles, which may exhibit the
malfunction indicator lamp illuminated with DTC P0128 stored in the PCM memory, even though there are no system faults.
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P0128: Engine Coolant Thermostat Stuck Open
To correct this DTC occurrence, the PCM should be reprogrammed using the GDS download as described in this bulletin.
Notice:
Global Diagnostic System (GDS) users should access the "Notice" function from the GDS Main Screen for instructions reguarding ECU upgrade
events.
Notice:
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A fully charged battery is necessary before PCM upgrade can take place. DO NOT connect a battery charger to the vehicle during PCM upgrade.
Make sure the blower motor is 'OFF' during PCM upgrade.
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All PCM upgrades must be done with the ignition key in the 'ON' position.
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Be careful not to disconnect any cables connected to the vehicle or GDS during the PCM upgrade procedure.
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DO NOT start the engine during PCM upgrade.
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DO NOT turn the ignition key 'OFF' or interrupt the power supply during PCM upgrade.
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When the PCM upgrade is complete, turn the ignition key 'OFF' and wait 20 seconds before starting the engine.
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ONLY use approved PCM upgrade software designated for the correct model, year and engine size. Failure to do so may create other driveability
issues due to the use of the incorrect PCM calibration.
ROM ID INFORMATION TABLE
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Effective Vehicle Information
