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DTC 63: Power Supply

  1. Check battery and charging system. Repair as necessary. If battery and charging system are okay, check ABS (60-amp) fuse. Replace fuse as necessary. Clear DTCs and recheck system operation. If ABS fuse is okay, go to next step.
  2. Measure voltage between ground and input side of ABS (60-amp) fuse holder. See WIRING DIAGRAMS  . If battery voltage is present, go to next step. If battery voltage is not present, repair wiring harness between battery and fuse holder.
  3. Measure voltage between ground and Black/Blue wire at fail-safe relay connector. If battery voltage exists, go to next step. If battery voltage does not exist, repair open Black/Blue wire between fail-safe relay and fuse holder.
  4. Check fail-safe relay. See FAIL-SAFE RELAY TEST  under COMPONENT TESTING. Replace relay as necessary. If relay is okay, clear DTCs. See CLEARING CODES  under DIAGNOSIS & TESTING. Recheck for DTCs. If DTC 63 is displayed, replace ABS control module. If DTC 63 is not displayed, a temporary poor contact in wiring may have occurred and ABS is now functioning properly.
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