Peugeot 308 automatic gearbox fault, goes into emergency mode

Car: Peugeot 308
Variant: 1.6 BlueHDI 85kw
Model Year: 2015
Categories: Gearbox & Clutch
With the ignition on, a message appears on the dashboard screen indicating a gearbox fault.

Operating fault In this case, it goes into emergency mode, getting stuck in 3rd gear. You can feel a significant impact when moving from P to R and from N to R.

Then an error appears in the engine, error in the handbrake, then I drive a little, turn it off and on and the errors all disappear... after 2 days the same problem appears.
Posted: Jul 25, 2023 (1 year ago)
You need it scanned and fault codes retrieved
Posted Jul 25, 2023 (1 year ago)
When I scan ,this are the diagnosis, then I clear all, everything ok, a few days later same problems.


Car Scanner ELM OBD2
Version: 1.102.7/401027/GP
DTC report
Connection profile: Peugeot 308, 508, etc. with 1.6 BOSCH MED 17.4.2Date: 29/01/2024 15:48:29
============================
OBD-IIOBD-II
DTCs: 5
----------------------------
U0100 [0xC100]
Data bus, engine control module (ECM) A - no communication
Status: Confirmado
----------------------------
U0103 [0xC103]
Data bus, gear shift module - no communication
Status: Pendente
----------------------------
U0073 [0xC073]
Control module - data bus Off
Status: Pendente
----------------------------
U0121 [0xC121]
Data bus, anti-lock brake system (ABS) control module - no communication
Status: Pendente
----------------------------
U0140 [0xC140]
Data bus, body control module (BCM) - no communication
Status: Pendente
============================
Posted Jan 29, 2024 (9 months ago)
You need to fix the faults , not just clear them or they will return , Could take it to a local independent auto transmission specialist for advice / checking if you do not want to go to Peugeot dealership
Posted Jan 30, 2024 (9 months ago)
Thanks for your reply, I will do that....
When I get the results, I will return.
Posted Jan 30, 2024 (9 months ago)

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