Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0A11DC-DC CONVERTER ACTIVATION CIRCUIT MALFUNCTION
P0A11DC-DC Converter Activation Circuit Malfunction
Manufacturer communications
5Original wording in English
ACURA
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 …
ACURA
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 …
ACURA
"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 PERFORMA…
ACURA
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 …
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.