3.6L - DTCS P2228 To P258B

• DTC Troubleshooting
  • P2228 Barometric Pressure Circuit Low
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2229 Barometric Pressure Circuit High
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2271 O2 Sensor 1/2 Signal Stuck Rich
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2273 O2 Sensor 2/2 Signal Stuck Rich
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2299 Brake Pedal Position / Accelerator Pedal Position Incompatible
    • Theory Of Operation
    • Component Functional Description - 3 Wire Brake Pedal Position Sensor
    • Component Functional Description - 4 Wire Brake Pedal Position Sensor
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2457 Exhaust Gas RECIRCULATION Cooling System Performance
    • Theory Of Operation
    • Diagnostic Test
  • P2503 Charging System Output Low
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2504 Charging System Output High
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P257D Engine Hood Switch Circuit Performance
    • Theory Of Operation
    • Component Functional Description - Hood Latch/Ajar Switch 1
    • Diagnostic Overview - Hood Ajar Switches
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P258A Electric Vacuum Pump Circuit
    • Notes
    • Theory Of Operation
    • Component Functional Description And Diagnostic Overview - EVP Relay
    • Diagnostic Overview - Electric Vacuum Pump (EVP) System
    • Diagnostic Test
  • P258B Electronic Vacuum Pump Performance
    • Known Issues - Vacuum Pump System
    • Description And Operation-Vacuum Booster Systems
    • Component Functional Description - Vacuum Pump
    • Vacuum Hose Assembly
    • Enabling/Set Conditions And Possible Causes - Vacuum Pump
    • Diagnostic Overview - Electric Vacuum Pump (EVP) System
    • Check For An Active Or Intermittent Condition
    • Diagnostics - Vacuum System Leak Test
    • Diagnostics - Vacuum Pump Test
    • Powertrain Verification Test