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P1A90 Cadillac Code - 14 Volt Power Module Temperature Sensor 1 Performance

- Code Popularity: 669 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1A90 Cadillac?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty 14 Volt Power Module
  • 14 Volt Power Module harness is open or shorted
  • 14 Volt Power Module circuit poor electrical connection
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How to Fix the DTC P1A90 Cadillac?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1A90 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1A90 Cadillac Description

The 14V Power Module also called the accessory DC power control module, constantly monitors system temperature to protect against overheat conditions. The module also monitors the function of the temperature sensors. These sensors are internal to the 14 V power module and are not serviced separately from the control module.

OBDII Code P1A90 Cadillac - 14 Volt Power Module Temperature Sensor 1 Performance - AutoCodes.com
P1A90 Cadillac Code - 14 Volt Power Module Temperature Sensor 1 Performance

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Code P1A90 Cadillac comments

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