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P1003 Cadillac Code - Fuel Composition Signals Message Counter Incorrect

- Code Popularity: 509 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code P1003 Cadillac Possible Causes

  • Faulty Fuel Composition Sensor
  • Fuel Composition Sensor harness is open or shorted
  • Fuel Composition Sensor circuit poor electrical connection

How do I Fix the Code P1003 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.

Does your Cadillac have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P1003 Cadillac?

Labor: 1.0

The cost of diagnosing the P1003 Cadillac code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code P1003 Cadillac Possible Symptoms?

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

Code P1003 Cadillac Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Fuel Composition Signals Message Counter Incorrect.

OBDII Code P1003 Cadillac - Fuel Composition Signals Message Counter Incorrect -
P1003 Cadillac Code - Fuel Composition Signals Message Counter Incorrect

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Code P1003 Cadillac comments

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