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Check Coolant Level Message Always On

WARNING: This page is about a different car, the 1998 Cadillac Eldorado and 1998 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool. Disconnect coolant level switch connector. Turn ignition switch to RUN position. Using scan tool, read status for coolant level switch in IPC data. If scan tool displays OFF for coolant level switch input, go to step 3). If scan tool does not display OFF for coolant level switch input, go to next step.
  2. Repair short in Light Green wire between coolant level switch and IPC Gray 24-pin connector C2, terminal A10. Recheck system operation.
  3. Replace coolant level switch. Recheck system operation.
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