94 volvo 850 ABS light on no codes in A3

cpl · Post by **cpl** » 20 Sep 2024, 16:14

94 Volvo 850 ABS light on no codes in A3 code is 1-1-1 same in A2 A1.
Any ideas?
Recently replaced starter had fan shroud off with all relays disconnect then reconnect could this be an area to look at?
Thanks.

Post by **scot850** » 21 Sep 2024, 07:20

Check the wiring connections. The pins on the wires and the wiring connections themselves get brittle with age and can become intermittent while looking ok.

Neil.

xanthefin · Post by **xanthefin** » 21 Sep 2024, 10:55

There was one who had ABS module failing so that connection to dashboard ABS light were beaking so there was no ABS codes as it doesnt monitor light bulb in dashboard. Next can break other connections.
ABS module does not light up the light it only shuts the light so function is reversed so that connection if is broken you can result light on and no codes.

cpl · Post by **cpl** » 23 Sep 2024, 13:58

Only connection loose was the one that went to the coolant relay the one in the middle yellow & yellow-white wire
Found online the ANTI-LOCK BRAKE SYSTEM & TRACTION CONTROL 1995 Volvo 850
https://www.volvoclub.org.uk/tech/servi ... ontrol.pdf
Even thought it's for a 95 not a 94 on page 15
ABS WARNING INDICATOR LIGHTS, NO DTC DISPLAYED
directions was to drive it over 25 mph to see if the light goes out, it did, unbelievable!