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__FORCETOC__ == 16785/P0401/001025 - Exhaust Gas Recirculation (EGR) System: Insufficient Flow Detected == ==== Possible Symptoms ==== * Malfunction Indicator Light (MIL) ON * Reduced Exhaust Gas Recirculation (EGR) * Reduced Power Output/Engine running rough * Increased Emissions ==== Possible Causes ==== * Exhaust Gas Recirculation (EGR) Flow restricted/clogged * Exhaust Gas Recirculation (EGR) Valve stuck closed/leaking/faulty * Wiring and/or Connector(s) from/to Exhaust Gas Recirculation (EGR) Valve faulty * Exhaust Gas Recirculation (EGR) System faulty ==== Possible Solutions ==== * Check/Clean Exhaust Gas Recirculation (EGR) System * Check/Replace Exhaust Gas Recirculation (EGR) Valve * Check Wiring and/or Connector(s) from/to Exhaust Gas Recirculation (EGR) Valve ==== Special Notes ==== When this fault is stored in a 2009-2012 NAR market [[2.0L CR TDI]] (CBEA, CJAA, CKRA) VW Jetta/Golf (1K/AJ) or the NMS Passat (A3) chassis: *Please see: TSB 26-13-03 | TPI# 2031583/3 (''formerly know as 26-12-08 | TPI# 2031583''). When the Exhaust Pressure Flap Control Module (J883) is faulty, the engine controller may have any of the following DTCs: **[[P047F/00115 | P047F/001151 - Exhaust Pressure Control Valve: Stuck Open]] **P0477 - Exhaust Pressure Control Valve "A" Low **[[P048A/001162 | P048A/001162 - Exhaust Pressure Control Valve 1: Stuck Closed]] **P048B - Exhaust Pressure Control Valve "A" Position Sensor/Switch Circuit **P048C - Exhaust Pressure Control Valve "A" Position Sensor/Switch Circuit Range/Performance **[[16785/P0401/001025 | 16785/P0401/001025 - Exhaust Gas Recirculation (EGR) System: Insufficient Flow Detected]] * Some TDI-CR engines have a filter for the EGR that can become restricted and cause a "Insufficient Flow" code. When this fault is stored in a 2009-2014 NAR market [[2.0L CR TDI]] (CBEA or CJAA ) VW Jetta/Golf (1K/AJ) *Please See TSB 01 14 11 | TPI# 2034898 ** May also have fault code stored in ECM ***[[18895/P2463/009315 | 18895/P2463/009315 - Diesel Particle Filter: Excessive Soot Accumulation]] * Restrictions in the EGR Filter may occur after a regeneration, if the soot loads where high before the regeneration. [[Category:Fault Codes]]

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