Infiniti QX50 2019 — technical service bulletin
Bulletin ITB18-020 · NHTSA communication 10141447 · issued May 24, 2018
Technical service bulletin
communication type
Equipment
component
2019
model years
1
vehicle entries
Official summary
2019 QX50; SERVICE INFORMATION FOR DTC P11AB SERVICE INFORMATION The Applied Vehicle has a Diagnostic Trouble Code (DTC) that can be stored if power is interrupted to the Variable Compression Ratio Control Module Circuit under certain conditions. DTC P11AB ? (VCR control module circuit) can be stored if: - 12 volt power is interrupted while the ignition is ON, or up to 3 minutes after the ignition was turned OFF - Refer to the Electronic Service Manual (ESM). Search precautions for removing battery in Title Search for further information. - Vehicle battery has low voltage - Vehicle battery is
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.