P20FF

DTC P20FF, sometimes indicated as P20FF00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing iso/sae reserved.

• P20FF: ISO/SAE Reserved

These codes are commonly diagnosed with error code P20FF.

• P249E [2] Closed loop reductant injection control, control limit reached – high flow detected
• P249D [2] Closed loop reductant injection control, control limit reached – low flow detected
• P16F3 [2] Control Module Redundant Memory Performance
• P226D [2] ISO/SAE Reserved
• P11CC [2] P11CC
• P129F [2] P129F
• P20EE [2] SCR NOx Catalyst Efficiency Below Threshold Bank 1
• P2002 [1] Diesel Particulate Filter Efficiency Below Threshold Bank 1
• P2459 [1] Diesel Particulate Filter Regeneration Frequency
• P2463 [1] Diesel Particulate Filter Restriction - Soot Accumulation
• P0422 [1] Main Catalyst Efficiency Below Threshold (Bank 1)
• P0106 [1] Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
• P11D5 [1] P11D5
• P144E [1] P144E
• P0421 [1] Warm Up Catalyst Efficiency Below Threshold (Bank 1)