ABS

DTC C1071: ABS Control Module Internal Defect

DTC Detecting Condition and Trouble Area






DTC Troubleshooting


1.
Was "ABS Check" performed?
YES
Go to Step 2.
NO
Go to ABS Check.

2. Check ABS hydraulic unit / control module assembly power supply and ground circuit �

Check that ABS hydraulic unit / control module assembly power supply circuit and ground circuit is in good condition referring to ABS Hydraulic Unit / Control Module Assembly Power Supply and Ground Circuit Check ABS Hydraulic Unit / Control Module Assembly Power Supply and Ground Circuit Check.

Are check results OK?
YES
Substitute a known-good ABS hydraulic unit / control module assembly and recheck.
NO
Repair ABS hydraulic unit / control module assembly power supply or ground circuit.