TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
Current Engine Control Module software does not properly operate the Leak Detection Pump heater circuit. This can allow moisture to collect within the pump and influence EVAP system measurements, which leads to erroneous EVAP fault codes stored in the ECM memory. REVISED

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Date Published
JUL 09, 2018
NHTSA TSB #
10149828
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