Error P0703

P0703

Technical Definition:

Brake Switch B Circuit

Trouble Code: P0703
Address: 0x0703
System: Powertrain
Subsystem: Transmission Controls
Technical Description:

Possible Causes:

Possible Symptoms:

Brake Switch Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Brake Switch
– Misadjusted Brake Switch
– Brake Switch harness is open or shorted
– Brake Switch circuit poor electrical connection

Specific Makes:

– Brake lights inoperative