FixVault

DTC 16 - Ecu Power Supply

NOTE: If after all testing procedures have been completed system is not functioning properly, substitute ECU with known-good unit and retest.
  1. Start engine. Using DVOM, check voltage (backprobe) between ground and ECU terminal No. 5. If 10 volts or more is present, replace ECU. If less than 10 volts is present, go to next step.
  2. Check ECU connector(s) and contacts on fuse No. 15. Repair as necessary. If fuse contacts and ECU connector are okay, replace faulty ECU.