18-013-26

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• **P20CF - 00 Exhaust After treatment Fuel Injector "A" Stuck Open.
• P20DB - 00 Exhaust After treatment Fuel Supply Control Stuck Open.
• U0109 - 00 Lost Communication With Fuel Pump Control Module.
• P1451 - 00 Diesel Particulate Filter System Performance.
• P2463 - 00 Diesel Particulate Filter Restriction - Soot Accumulation Bank 1.
• P2459 - 00 Diesel Particulate Filter Regeneration Too Frequent.**
• P0263 - 00 Cylinder 1 Contribution/balance.
• P0266 - 00 Cylinder 2 Contribution-balance.
• P0269 - 00 Cylinder 3 Contribution/balance.
• P0272 - 00 Cylinder 4 Contribution/balance.
• P0275 - 00 Cylinder 5 Contribution/balance.
• P0278 - 00 Cylinder 6 Contribution/balance.
• P026B - 00 Injection Timing Performance.
• P020A - 00 Cylinder 1 Injection Timing.
• P020B - 00 Cylinder 2 Injection Timing.
• P020C - 00 Cylinder 3 Injection Timing.
• P020D - 00 Cylinder 4 Injection Timing.
• P020E - 00 Cylinder 5 Injection Timing.
• P020F - 00 Cylinder 6 Injection Timing.
• P06B9 - 00 Cylinder 1 Glow Plug Circuit Performance.
• P06BA - 00 Cylinder 2 Glow Plug Circuit Performance.
• P06BB - 00 Cylinder 3 Glow Plug Circuit Performance.
• P06BC - 00 Cylinder 4 Glow Plug Circuit Performance.
• P06BD - 00 Cylinder 5 Glow Plug Circuit Performance.
• P06BE - 00 Cylinder 6 Glow Plug Circuit Performance.
• P0072 - 00 Ambient Air Temperature Sensor Circuit "A" Low.
• P0087 - 00 Fuel Rail Pressure Too Low.
• P2540 - 00 Low Pressure Fuel System Sensor Circuit Range/Performance.
• P2543 - 00 Low Pressure Fuel System Sensor Circuit Intermittent.
• P0100 - 00 Mass Or Volume Air Flow Sensor "A" Circuit. B18 FSAR-TSB-6871 -2-
• P203F - 00 Reductant Level Too Low.
• P0423 - 00 Heated Catalyst Efficiency Below Threshold Bank 1.
• P20EE - 00 SCR NOX Catalyst Efficiency Belo