How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Mark Your Own Question
Mark
Mark, Peugeot Certified Technician
Category: Peugeot
Satisfied Customers: 1504
Experience:  Fully qualified technician and MOT tester.
69494627
Type Your Peugeot Question Here...
Mark is online now

on a Peugeot 307 which is speed sensor A and I have a abs control

Resolved Question:

on a Peugeot 307 which is speed sensor A and I have a abs control module problem code uo121 would that mean it needs a new one
Submitted: 3 years ago.
Category: Peugeot
Expert:  Mark replied 3 years ago.

Mark :

Hello, my name is XXXXX XXXXX I will try help you with this.

Mark :

The code U0121 is a communication error. It could be a faulty ecu but it could also be a wiring fault on the CAN bus.

Mark :

Sensors are not normally listed A,B,C or D. This could just be from your scan tool.

Mark and other Peugeot Specialists are ready to help you