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Service bulletins for the 2017 Acura TLX

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.

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

About P16E5 on the 2017 Acura TLX: what the code means, and the bulletins and recalls about the same components.

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By trouble code

Only bulletins with trouble code: P16E5 are shown. Show all

Bulletins, newest first
BPaS021520179012017-07-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Dealer message - American Honda (AHM) is investigating certain 2015-2017 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) On with the DTC P16E5 (LIN Communication Error [PCM-DC-DC Converter]), P0A11 (DC-DC Converter Activation Circuit Malfunction) and/or P0A94 (DC-DC Converter Performance Problem) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
BPAS032220179012017-06-30. Service bulletin. ELECTRICAL SYSTEM. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2015-2017 TLXS WITH A CLIENT COMPLAINT OF THE MALFUNCTION INDICATOR LAMP (MIL) ON WITH THE DTC P16E5 (LIN COMMUNICATION ERROR [PCM-DC-DC CONVERTER]), P0A11 (DC-DC CONVERTER ACTIVATION CIRCUIT MALFUNCTION) AND/OR P0A94 (DC-DC CONVERTER PERFORMANCE PROBLEM) STORED. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO COLLECT SPECIFIC PARTS FROM THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND.
BPAS030220179012017-06-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2015-2017 TLXS WITH A CLIENT COMPLAINT OF THE MALFUNCTION INDICATOR LAMP (MIL) ON WITH THE DTC P16E5 (LIN COMMUNICATION ERROR [PCM-DC-DC CONVERTER]), P0A11 (DC-DC CONVERTER ACTIVATION CIRCUIT MALFUNCTION) AND/OR P0A94 (DC-DC CONVERTER PERFORMANCE PROBLEM) STORED. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO COLLECT SPECIFIC PARTS FROM THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND.
BER17010A2017-06-28. Service bulletin. EQUIPMENT:ELECTRICAL. "ENGINEERING REQUEST FOR INVESTIGATION - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2015-2017 TLXS WITH A CLIENT COMPLAINT OF THE MALFUNCTION INDICATOR LAMP (MIL) ON WITH THE DTC P16E5 (LIN COMMUNICATION ERROR [PCM-DC-DC CONVERTER]), P0A11 (DC-DC CONVERTER ACTIVATION CIRCUIT MALFUNCTION) AND/OR P0A94 (DC-DC CONVERTER PERFORMANCE PROBLEM) STORED. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO COLLECT SPECIFIC PARTS FROM THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND."
BPAS012320179022017-05-12. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2015-2017 TLXS WITH A CLIENT COMPLAINT OF THE MALFUNCTION INDICATOR LAMP (MIL) ON WITH THE DTC P16E5 (LIN COMMUNICATION ERROR [PCM-DC-DC CONVERTER]), P0A11 (DC-DC CONVERTER ACTIVATION CIRCUIT MALFUNCTION) AND/OR P0A94 (DC-DC CONVERTER PERFORMANCE PROBLEM) STORED. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO COLLECT SPECIFIC PARTS FROM THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND.

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