ABS/VSC error codes C1223, C1256, C1268, C1340 (1 Viewer)

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MrA

Joined
Jan 18, 2023
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I have a 2001 LX470 with 208K miles on it. Haven't had any apparent issues, but I recently got Techstream to work on my AHC, decided to check out the rest of the vehicle with it, found the following codes under ABS:

C1223 ABS Control System Malfunction
C1256 ACCumulator Low Pressure
C1268 L4 Signal Pickup
C1340 Open Circuit in Center Differential Lock Signal (During Center Differential Lock ON)

Where do I start? Thanks for any help!
 
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