When does the p0571 brake switch a circuit malfunction?

The P0571 Cruise Control/Brake Switch A Circuit Malfunction and related codes ( P0572 and P0573) are set when the ECM (engine control module) detects a malfunction within the cruise control/brake switch “A” circuit. Example of a brake switch and it’s location:

What causes an OBD code of p0572?

There are several possible causes of the P0572 code, including the following: Damage to the cruise control switch (spilled liquids, for instance) A faulty cruise control switch A faulty brake light switch A poorly adjusted brake light switch (sometimes common after replacement)

What does the p0572 DTC stand for?

Cost of diagnosing the P0572 code. P0572 is a diagnostic trouble code (DTC) for “Cruise Control/Brake Switch A Circuit Low”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

What causes a p0571 cruise control code?

Causes for this P0571 cruise control code may include: Cruise control/Brake switch defective Wiring issue (e.g. pinched on brake pedal, chafed, etc.) ECM (engine control module) issue (i.e. internal short, open, etc.) Debris/dirt mechanically hindering brake switch operation Brake switch not adjusted properly Brake switch out of it’s mount

What does the error code p0573 stand for?

Error Code P0573 is defined as Cruise Control/Brake Switch A Circuit High, meaning there’s an electrical malfunction detected within the vehicle, affecting its brake switch “A.” A defective cruise control switch often causes this fault.

What causes a p0573 cruise control code to be high?

Causes for this P0573 cruise control code may include: Cruise control/Brake switch defective Wiring issue (e.g. pinched on brake pedal, chafed, etc.) ECM (engine control module) issue (i.e. internal short, open, etc.) Debris/dirt mechanically hindering brake switch operation Brake switch not adjusted properly

What are the symptoms of a p0571 diagnostic code?

Symptoms of a P0571 diagnostic code may include: Cruise control completely inoperative Erratic cruise control operation Certain functions not operating as they should (e.g. set,resume, accel., etc.) Cruise control turning on but not engaging No brake lights if the brake light switch is faulty