NTB19-021

NISSAN; MIL ON WITH DTC P219A AND/OR P219B STORED This bulletin applies to Titan XD vehicles equipped with a VK56D gas engine only. SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.