P1001 CHEVROLET Code - Evaporative Emission System Signals Message Counter Incorrect
|P1001 CHEVROLET code possible causes
- Faulty Evaporative Emission System
|How is the P1001 CHEVROLET code repair?
Start by checking 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.
|What is the cost to diagnose the P1001 CHEVROLET code
The cost to diagnose the P1001 CHEVROLET code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|What are P1001 CHEVROLET code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
|What is P1001 CHEVROLET code meaning?
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 Evaporative Emission System Signals Message Counter is Incorrect.