EGR DTC Codes

All EGR-related OBD-II diagnostic trouble codes. EGR valve faults, flow performance, position sensor, cooler issues — with off-road suppression context.

160 codes in this system Commonly suppressible (off-road)

About EGR codes

EGR codes indicate the exhaust gas recirculation valve, cooler, or position sensor is failing. EGR-off via ECU calibration is the most common chiptuning service — Softechpro disables EGR dosing, monitoring, and DTC triggering across every supported diesel and modern petrol ECU.

All 160 codes in EGR

P0382

Exhaust Gas Recirculation Flow Malfunction

P0400

Exhaust Gas Recirculation Flow Malfunction

P0401

Exhaust Gas Recirculation Flow Insufficient Detected

P0402

Exhaust Gas Recirculation Flow Excessive Detected

P0403

Exhaust Gas Recirculation Circuit Malfunction

P0404

Exhaust Gas Recirculation Circuit Range/Performance

P0405

Exhaust Gas Recirculation Sensor A Circuit Low

P0406

Exhaust Gas Recirculation Sensor A Circuit High

P0407

Exhaust Gas Recirculation Sensor B Circuit Low

P0408

Exhaust Gas Recirculation Sensor B Circuit High

P0409

Exhaust Gas Recirculation Sensor "A" Circuit

P040A

EGR Temperature Sensor A Circuit

P040B

EGR Temperature Sensor A Circuit Range/Performance

P040C

EGR Temperature Sensor A Circuit Low

P040D

EGR Temperature Sensor A Circuit High

P040E

EGR Temperature Sensor A Circuit Intermittent/Erratic

P040F

EGR Temperature Sensor A/B Correlation

P041A

EGR Temperature Sensor B Circuit

P041B

EGR Temperature Sensor B Circuit Range/Performance

P041C

EGR Temperature Sensor B Circuit Low

P041D

EGR Temperature Sensor B Circuit High

P041E

EGR Temperature Sensor B Circuit Intermittent/Erratic

P042E

EGR A Control Stuck Open

P042F

EGR A Control Stuck Closed

P044A

EGR Sensor C Circuit

P044B

EGR Sensor C Circuit Range/Performance

P044C

EGR Sensor C Circuit Low

P044D

EGR Sensor C Circuit High

P044E

EGR Sensor C Circuit Intermittent/Erratic

P045A

EGR B Control Circuit

P045B

EGR B Control Circuit Range/Performance

P045C

EGR B Control Circuit Low

P045D

EGR B Control Circuit High

P045E

EGR B Control Stuck Open

P045F

EGR B Control Stuck Closed

P046C

EGR Sensor A Circuit Range/Performance

P046D

EGR Sensor A Circuit Intermittent/Erratic

P046E

EGR Sensor B Circuit Range/Performance

P046F

EGR Sensor B Circuit Intermittent/Erratic

P0486

Exhaust Gas Recirculation Sensor "B" Circuit

P0487

Exhaust Gas Recirculation Throttle Control Circuit "A" Open

P0488

Exhaust Gas Recirculation Throttle Control Circuit "A" Range/Performance

P0489

Exhaust Gas Recirculation "A" Control Circuit Low

P0490

Exhaust Gas Recirculation "A" Control Circuit High

P049A

EGR B Flow

P049B

EGR B Flow Insufficient Detected

P049C

EGR B Flow Excessive Detected

P049D

EGR A Control Position Exceeded Learning Limit

P049E

EGR B Control Position Exceeded Learning Limit

P04CE

EGR Temperature Sensor C Circuit

P04CF

EGR Temperature Sensor C Circuit Range/Performance

P04D0

EGR Temperature Sensor C Circuit Low

P04D1

EGR Temperature Sensor C Circuit High

P04D2

EGR Temperature Sensor C Circuit Intermittent/Erratic

P04D8

Excessive Time To Enter Closed Loop EGR Control

P04D9

Closed Loop EGR Control At Limit - Flow Too Low

P04DA

Closed Loop EGR Control At Limit - Flow Too High

P04DD

Cold Start EGR A Flow Insufficient Detected

P04DE

Cold Start EGR A Flow Excessive Detected

P04E5

EGR Temperature Sensor D Circuit

P04E6

EGR Temperature Sensor D Circuit Range/Performance

P04E7

EGR Temperature Sensor D Circuit Low

P04E8

EGR Temperature Sensor D Circuit High

P04E9

EGR Temperature Sensor D Circuit Intermittent/Erratic

P04FA

EGR A Control Temperature Too High

P04FD

EGR Actuator A Control Processor Performance

P1404

IAT - B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance

P213A

EGR Throttle Control Circuit B /Open

P213B

EGR Throttle Control Circuit B Range/Performance

P213C

EGR Throttle Control Circuit B Low

P213D

EGR Throttle Control Circuit B High

P2141

Exhaust Gas Recirculation Throttle Ctrl Circ Low

P2142

Exhaust Gas Recirculation Throttle Ctrl Circ High

P2143

Exhaust Gas Recirculation Vent Ctrl Circ/Open

P2144

Exhaust Gas Recirculation Vent Ctrl Circ Low

P2145

Exhaust Gas Recirculation Vent Ctrl Circ High

P2380

EGR Sensor D Circuit

P2381

EGR Sensor D Circuit High

P2382

EGR Sensor D Circuit Low

P2383

EGR Sensor D Circuit Range/Performance

P2384

EGR Sensor D Circuit Intermittent

P2385

EGR Sensor E Circuit

P2386

EGR Sensor E Circuit High

P2387

EGR Sensor E Circuit Low

P2388

EGR Sensor E Circuit Range/Performance

P2389

EGR Sensor E Circuit Intermittent

P23E1

EGR C Control Circuit/Open

P23E2

EGR C Control Circuit Performance

P23E3

EGR C Control Circuit Low

P23E4

EGR C Control Circuit High

P23E5

EGR C Control Stuck Open

P23E6

EGR C Control Stuck Closed

P23E7

EGR C Flow Insufficient Detected

P23E8

EGR C Flow Excessive Detected

P240F

EGR Slow Response

P2413

Exhaust Gas Recirculation Sys Perf

P241F

EGR Cooler B Efficiency Below Threshold

P2425

Exhaust Gas Recirculation Cooling Valve Ctrl Circ/Open

P2426

Exhaust Gas Recirculation Cooling Valve Ctrl Circ Low

P2427

Exhaust Gas Recirculation Cooling Valve Ctrl Circ High

P2457

EGR Cooler A Efficiency Below Threshold

P245A

EGR Cooler Bypass Control Circuit/Open Bank 1

P245B

EGR Cooler Bypass Control Circuit Range/Performance Bank 1

P245C

EGR Cooler Bypass Control Circuit Low Bank 1

P245D

EGR Cooler Bypass Control Circuit High Bank 1

P248E

EGR Cooler Bypass Control Circuit/Open Bank 2

P248F

EGR Cooler Bypass Control Circuit Range/Performance Bank 2

P2490

EGR Cooler Bypass Control Circuit Low Bank 2

P2491

EGR Cooler Bypass Control Circuit High Bank 2

P2492

EGR Cooler Bypass Position Sensor Circuit Bank 1

P2493

EGR Cooler Bypass Position Sensor Range/Performance Bank 1

P2494

EGR Cooler Bypass Position Sensor Circuit Low Bank 1

P2495

EGR Cooler Bypass Position Sensor Circuit High Bank 1

P2496

EGR Cooler Bypass Position Sensor Circuit Intermittent/Erratic Bank 1

P2497

EGR Cooler Bypass Position Sensor Circuit Bank 2

P2498

EGR Cooler Bypass Position Sensor Range/Performance Bank 2

P2499

EGR Cooler Bypass Position Sensor Circuit Low Bank 2

P249A

EGR Cooler Bypass Position Sensor Circuit High Bank 2

P249B

EGR Cooler Bypass Position Sensor Circuit Intermittent/Erratic Bank 2

P24A5

EGR Cooler Bypass Control Stuck/Open Bank 1

P24A6

EGR Cooler Bypass Control Stuck/Open Bank 2

P24A7

EGR Cooler Coolant Pump Control Circuit/Open

P24A8

EGR Cooler Coolant Pump Performance/Stuck Off

P24A9

EGR Cooler Coolant Pump Control Circuit Low

P24AA

EGR Cooler Coolant Pump Control Circuit High

P24AB

EGR Cooler Coolant Pump Stuck On

P24AC

EGR Cooler Coolant Pump Feedback Circuit Low

P24AD

EGR Cooler Coolant Pump Feedback Circuit High

P24C4

EGR Cooler Bypass Position Sensor Exceeded Learning Limit Bank 1

P24C5

EGR Cooler Bypass Position Sensor Exceeded Learning Limit Bank 2

P24D4

EGR Cooler Coolant Pump Feedback Circuit

P24F2

EGR Temperature/Charge Air Cooler Temperature Correlation

P26FB

EGR Cooler Bypass Control Stuck Closed Bank 1

P26FC

EGR Cooler Bypass Control Stuck Closed Bank 2

P2AA3

Cold Start EGR B Flow Insufficient Detected

P2AA4

Cold Start EGR B Flow Excessive Detected

P2AA5

EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 1

P2AA6

EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 2

P2BAB

NOx Exceedence - Incorrect EGR Flow

P2BAC

NOx Exceedence - Deactivation of EGR

P2CF9

Belt Integrated Starter Generator Belt Tensioner Control Circuit/Open

P2CFA

Belt Integrated Starter Generator Belt Tensioner Control Circuit Low

P2CFB

Belt Integrated Starter Generator Belt Tensioner Control Circuit High

P2D1C

Cold Start EGR A/B Ratio Performance

U010A

Lost Communication With Exhaust Gas Recirculation Control Module A

U010B

Lost Communication With Exhaust Gas Recirculation Control Module B

U02A6

Lost Communication With Safety Integration Control Module

U040B

Invalid Data Received From Exhaust Gas Recirculation Control Module A

U040C

Invalid Data Received From Exhaust Gas Recirculation Control Module B

U05A7

Invalid Data Received From Safety Integration Control Module

U064E

Lost Communication With EGR Cooler Bypass Position Sensor Bank 1

U0651

Lost Communication With EGR Sensor A

U0652

Lost Communication With EGR Sensor B

U0653

Lost Communication With EGR Sensor C

U0669

Lost Communication With EGR Sensor D

U066A

Lost Communication With EGR Sensor E

U068D

Lost Communication With EGR Temperature Sensor A

U068E

Lost Communication With EGR Temperature Sensor B

U068F

Lost Communication With EGR Temperature Sensor C

U0690

Lost Communication With EGR Temperature Sensor D

Browse by other systems

DPF / Particulate Filter (91)AdBlue / SCR / NOx (376)Catalyst (70)Turbo / Boost (316)Ignition / Knock (161)Fuel System (924)O2 / Lambda Sensor (178)Air Metering (MAF / MAP) (45)Cooling System (1089)Misfire / Cylinder (380)Throttle / Pedal (174)Camshaft / VVT / Timing (258)Transmission (422)CAN / Communication (1002)Generic Sensor / Circuit (2807)Other Powertrain (962)