Nissan Titan 2016–2021 — technical service bulletin
Bulletin NTB21-093 · NHTSA communication 10203838 · issued Oct 6, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2021
model years
8
vehicle entries
Official summary
WATER INTRUSION INTO REAR COMBINATION LAMP CAN CAUSE MULTIPLE DTCS AND NO-START CONDITION SERVICE INFORMATION Water intrusion into one or both of the rear combination lamp assemblies can cause multiple DTCs, and possibly cause the vehicleâ s engine to not start. Water intrusion into one or both rear combination lamp assemblies has been found to migrate through the harness, and can cause harness connector terminals in C1/E41 to corrode (Figure 1 on page 2). ï · Repair any damaged rear combination lamp assemblies immediately to avoid potential harness damage. Notice Harness connector terminals i
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.