The stored code identifies a fault of the Fault. 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.
TuningBot DTC Database · v4.37.14
U1105 Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 1 manufacturer in the TuningBot DTC database.
PSA
2 interpretationsThe control module detected that the expected 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.
Related and nearby codes
How to read U1105
Network: communication between control units.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about U1105
What does U1105 mean?
Diagnostic Trouble Code (2 interpretations). The stored code identifies a fault of the Fault. 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.
Is U1105 generic or manufacturer-specific?
U1105 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove U1105 at file level?
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 U1105 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
