What does the code P1492 mean?
DTC P1492: AMBIENT/BATT TEMP SEN VOLTS TOO HIGH. 1. Battery temperature sensor voltage may also be referred to as BTS voltage. If battery temperature sensor voltage is more than 4.5 volts, go to next step.
What is GM code P1682?
P1682 Chevrolet Description The second ignition 1 voltage circuit is supplied by the run/crank relay through a fuse, and is used to power the remaining internal ECM circuits. If the ECM detects a voltage difference between the 2 ignition 1 voltage circuits, DTC P1682 will set.
What is a battery temperature sensor?
The battery temperature sensor allows the charge controller to adjust the charge voltage based on the actual battery temperature continuously. Temperature compensation of charge voltage assures that the battery receives the proper charge voltage as battery temperature changes during normal operation.
How is P0641 diagnosed?
How to diagnose and repair P0641
- Perform a preliminary inspection. Sometimes P0641 can pop up intermittently.
- Check the circuit. After the primary inspection the reference circuits should be checked.
- Check the sensors. Typically, the next thing a technician will do is check the sensor(s).
- Check the PCM.
What is a code P0460?
What the P0460 code means. The amount of fuel in a vehicle’s tank is communicated to the PCM in terms of voltage. A P0460 refers to a discrepancy between the fuel level and what it’s being reported as being to the PCM. A P0460 blames this issue on a malfunctioning fuel level sensor.
Can you drive with a bad battery sensor?
Having a damaged battery temperature sensor can prove to be very problematic for your charging system. Driving your car with a damaged sensor may lead to problems cranking the vehicle when needed.
How do I know if my battery temperature sensor is bad?
Symptoms of a Bad or Failing Battery Temperature Sensor
- Engine surging. One of the most common symptoms of a failing battery temperature sensor is an engine that surges during operation.
- Low battery voltage. A low battery voltage can be another symptom of a failing battery temperature sensor.
- Warning light.