External temp' not showing anymore

2002 Citroen Xsara Hatchback
Car: Citroen Xsara
Year: 2002
Variant: Hatchback
Categories: Electrics, ECU, Warnings & Lights
The display no longer shows the external temp' just randomly stopped now shows 2dashes "--" nothing has changed with the car that I know of though it is obviously getting old now. Any help on a simple fix for this?
Problem added: Apr 14, 2018 (5 years ago)
Probably needs a new sensor,
Answered Apr 14, 2018 (5 years ago)
check the wiring also
Answered Apr 14, 2018 (5 years ago)

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