Peugeot 107 Gear Shift Issue

My 2014 Peugeot 107 diesel's gear shift indicator display isn't working, and I can't engage any gears. The automatic transmission is slipping and shifting poorly, with grinding noises. Error codes are stored, and the gear selection display in the speedometer is dead. Could a defective control unit be the cause? Anyone faced this?

4 comment(s)

That sounds rough! I had a similar issue with my 2016 Renault Clio a couple of years back. The gear indicator went haywire, and the transmission started acting up. I drive a petrol, but my mechanic said it was a faulty sensor. Any luck pinpointing the control unit's location?

Thanks! It's good to know someone else has seen something similar. I haven't been able to pinpoint the control unit's location. I've run diagnostics, but the error codes are generic. Could you elaborate on the sensor location that caused problems for your Clio? Maybe that will help.

Unfortunately, I don't remember the exact sensor location. I recall the mechanic saying it was related to the transmission control. Given your symptoms and the error codes, I'd recommend a trusted mechanic with Peugeot experience ASAP. It sounds complex, and they'll have the right equipment.

Thanks for your insights and recommendations. I appreciate you sharing your Renault Clio experience. Based on your advice, I consulted a qualified technician. You were right about a defective control unit. It cost about 1000€ to repair. Thanks again!

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