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.
U0038TM-CAN Malfunction [TCM-PCM]
U0038TM-CAN MALFUNCTION [TCM-PCM]
Manufacturer communications
4Original wording in English
HONDA
Service bulletin - The vehicle will not come out of park, and will not crank and/or start. Additionally, multiple indicators are on with DTCs U0038 (TM-CAN Malfunction [TCM-PCM]) and sometimes U0101 (Lost Communication) stored. There is an internal malfunction with the transmission control module (TCM).
HONDA
SERVICE BULLETIN - THE VEHICLE WILL NOT COME OUT OF PARK, AND WILL NOT CRANK AND/OR START. ADDITIONALLY, MULTIPLE INDICATORS ARE ON WITH DTCS U0038 (TM-CAN MALFUNCTION [TCM-PCM]) AND SOMETIMES U0101 (LOST COMMUNICATION) STORED. THERE IS AN INTERNAL MALFUNCTION WITH THE TRANSMISSION CONTROL MODULE (TCM).
HONDA
Service bulletin - The vehicle will not come out of park, and will not crank and/or start. Additionally, multiple indicators are on with DTCs U0038 (TM-CAN Malfunction [TCM-PCM]) and sometimes U0101 (Lost Communication) stored. There is an internal malfunction with the transmission control module (TCM).
HONDA
"TECHLINE SUMMARY ARTICLE - DO YOU HAVE A VEHICLE IN YOUR SHOP BECAUSE OF THIS ISSUE? • THE STARTER WON’T CRANK THE ENGINE, AND/OR THE VEHICLE WON’T SHIFT OUT OF PARK. • MULTIPLE INDICATORS ARE LIT ON THE INSTRUMENT PANEL, AND DTC U0038 (TM-CAN MALFUNCTION [TCM-PCM]) AND U0101 (GAUGE CONTROL MODULE LOST COMMUNICATION WITH A/T) A…
Check vehicle applicability
2A 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.