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Service bulletins for the 2016 Nissan Titan

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

304 on file from NHTSA, as of 2026-10-19.

About P021A on the 2016 Nissan Titan: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P021A are shown. Show all

Bulletins, newest first
NTB16037C2021-05-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. IF YOU CONFIRM The MIL is ON with one or more of the following DTCs stored: * P020A - F: Cylinder 1 - 6 Injection Timing * P021A - B: Cylinder 7 - 8 Injection Timing * P060C: Internal Control Module Main Processor Performance * P061B: Internal Control Module Torque Calculation Performance * P0605: ECM * P2048: Reductant Injector Circuit Low * P0299: Boost Pressure * P2263: Turbocharger Boost System Performance * P0401: Flow in the Exhaust Gas Recirculation (Insufficient) * P0402: Flow in the Exhaust Gas Recirculation (Excessive) * P2483: Exhaust Gas Temperature Sensor Circuit Intermittent 1/5 * P244D: Exhaust Temperature Too High For PF Regeneration * U0415: VDC CAN CIR2 * P2BAD: NOx Concentration Exceeded * P1C55: NOx Sensor 1/1 Intermittent * P1C56: NOx Sensor 1/2 Intermittent * P2201: NOx Sensor 1 and/or At times, when coming to a stop, the idle fluctuates with RPM dropping below 500 RPM. ACTION 1. Save Computer Data with CONSULT-III plus (C-III plus). 2. At step 6 of the reprogramming procedure, confirm this bulletin applies to the vehicle you are working on. 3. If this bulletin applies, continue with reprogramming procedure. 4. Write Saved Data with CONSULT-III plus. See this bulletin for further detail.
NTB16-037A2016-06-22. Service bulletin. ENGINE. IF YOU CONFIRM The MIL is ON with one or more of the following DTCs stored. • P020A - F: Cylinder 1 – 6 Injection Timing • P021A - B: Cylinder 7 – 8 Injection Timing • P060C: Internal Control Module Main Processor Performance • P2048: Reductant Injector Circuit Low • P207F: Reductant Quality Performance • P2263: Turbocharger Boost System Performance ACTION 1. Save Computer Data with CONSULT-III plus (C-III plus). 2. At step 6 of the reprogramming procedure, confirm this bulletin applies to the vehicle you are working on. 3. If this bulletin applies, continue with reprogramming procedure. 4. Write Saved Data with CONSULT-III plus.
NTB16-0372016-06-22. Service bulletin. ENGINE. 2016 TITAN XD; MIL ON WITH ENGINE DTCs STORED IF YOU CONFIRM The MIL is ON with one or more of the following DTCs stored. h P020A - F: Cylinder 1 ¡V 6 Injection Timing h P021A - B: Cylinder 7 ¡V 8 Injection Timing h P060C: Internal Control Module Main Processor Performance h P2048: Reductant Injector Circuit Low h P207F: Reductant Quality Performance h P2263: Turbocharger Boost System Performance ACTION 1. Save Computer Date with CONSULT-III plus (C-III plus). 2. At step 6 of the reprogramming procedure, confirm this bulletin applies to the vehicle you are working on. 3. If this bulletin applies, continue with reprogramming procedure. 4. Write Saved Date with CONSULT-III plus.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.