DTC P0703: Brake Switch Input Circuit Malfunction: Condition

DTC is set when PCM has not received a change in brake switch signal while vehicle is accelerating and decelerating 10 times repeatedly. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• Brake switch malfunction.
• Open circuit between brake switch and PCM.
• PCM malfunction.