What does code P1848 mean?

Q: What does code P1848 mean?

Check DTC Memory Of Engine ECU. P1848 on a Volkswagen means the transmission control module (TCM) has detected that the engine control module (ECM) has stored one or more fault codes that could affect drivability or transmission operation. The TCM is not reporting a fault in its own hardware; it is instructing the technician to check the engine ECU's fault memory for the root cause.

DTC codes / Volkswagen codes / P1848

P1848 · VolkswagenCheck DTC Memory Of Engine ECU

P1848 on a Volkswagen means the transmission control module (TCM) has detected that the engine control module (ECM) has stored one or more fault codes that could affect drivability or transmission operation. The TCM is not reporting a fault in its own hardware; it is instructing the technician to check the engine ECU's fault memory for the root cause.

SystemPowertrain

Code typeVolkswagen specific

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.