AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Cadillac - P16AE Cadillac

P16AE Cadillac Code - Glow Plug Control Module Temperature Sensor Circuit High Voltage

- Code Popularity: 146 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P16AE 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 Glow Plug Control Module (GPCM)
  • Glow Plug Control Module harness is open or shorted
  • Glow Plug Control Module circuit poor electrical connection
⚠ Does your Cadillac have Safety Recalls? → Check here

How to Fix the DTC P16AE 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.

Search for P16AE Cadillac Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P16AE 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 P16AE Cadillac Description

The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the temperature sensor circuit. The GPCM monitors the internal temperature sensor voltage and if the voltage is less than 0.21 V or greater than 4.94 V. The GPCM will send a message to the Engine Control Module (ECM) to set the appropriate Diagnostic Trouble Code (DTC). A DTC is detected when one of the GPCM temperature sensors voltage falls outside the calibrated threshold for greater than 1.3 s.

OBDII Code P16AE Cadillac - Glow Plug Control Module Temperature Sensor Circuit High Voltage - AutoCodes.com
P16AE Cadillac Code - Glow Plug Control Module Temperature Sensor Circuit High Voltage

Need More Information on the Code?

Need more information on how to fix the P16AE Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16AE Cadillac code diagnosed by a professional: Find a repair shop in your area

Code P16AE Cadillac comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P16AE Cadillac code? Have you replaced any parts?
Any information is appreciated. Thanks