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Oil Temperature Gauge Inoperative (DIC Message)

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. If Instrument Panel Cluster (IPC) diagnostic system check has been performed, go to next step. If IPC diagnostic system check has not been performed, see INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. If scan tool shows that DTCs B1542 or B1543 are set in IPC, go to DTC B1542: OIL TEMPERATURE CIRCUIT (SHORT TO GROUND)  or DTC B1543: OIL TEMPERATURE CIRCUIT (OPEN)  under DIAGNOSTIC TESTS. If no IPC DTCs are set, go to next step.
  3. Compare scan tool IPC data parameters for engine oil temperature with actual gauge readings. If gauge matches scan tool readings, go to next step. If gauge does not match scan tool readings, go to step  5 .
  4. Compare scan tool display and instrument panel cluster engine oil temperature gauge. If readings are within 10°F (12°C), system is operating okay at this time. If readings are not within 10°F (12°C), go to step  6 .
  5. Replace engine oil temperature sensor. See COMPONENT LOCATIONS  . After repairs, go to step  7 .
  6. Replace IPC. See INSTRUMENT PANEL CLUSTER (IPC)  under REMOVAL & INSTALLATION. After repairs, go to next step.
  7. Turn ignition off and reconnect all disconnected components and connectors. Turn ignition on. Go to GAUGE FUNCTION SYSTEM CHECK  under SYSTEM TESTS. If symptom still exists, return to step  2 .
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