P1429 OBD Code Definition:
P1429 Electric Air Pump Primary Failure
P1429 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON

Possible Causes

• Wiring harness issue
• Faulty Brake Booster Control Module

Possible Solutions

• Check fuses
• Test wiring harness, see repair manual
• Replace faulty Brake Booster Control Module