B1542 CADILLAC - Oil Temperature Circuit Short To Ground
B1542 CADILLAC Possible Causes
- Faulty Oil Temperature Sensor
- Oil Temperature Sensor harness is open or shorted
- Oil Temperature Sensor circuit poor electrical connection
- Faulty Instrument Panel Cluster (IPC)
How do I fix code B1542 CADILLAC
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the B1542 CADILLAC code
Labor: 1.0The cost of diagnosing the B1542 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
B1542 CADILLAC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1542 CADILLAC MeaningThe Instrument Panel Cluster (IPC) supplies a 5-volt reference signal to Oil Temperature Sensor. When engine oil is cold, sensor resistance will decrease, and IPC reference voltage level will drop. IPC measures reference voltage change and displays the calculated value on the oil pressure gauge.
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