TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for PSA. All interpretations of U1108
The control module detected that the expected Fault was absent. Documented for the AL4 automatic gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The stored code identifies a fault of the Fault in communication on the CAN with the engine management ECU. Documented for the AM6/AT6 automatic gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
The control module detected that the expected Communication with engine management ECU fault was absent. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected that the expected No communication with the engine management ECU fault was absent. Documented for the Bosch ESP 8.1 stability control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected that the expected Fault in communication with the engine ECU was absent. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Network: communication between control units.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (5 interpretations). The control module detected that the expected Fault was absent. Documented for the AL4 automatic gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
U1108 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U1108 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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