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#ECUSolutions
Intermediate
3 mins to read
The second generation of Isuzu D-max was produced from year 2011 until 2019. The early models with code RT-50 and the facelifted models with code RT-85.
The early versions had 2.5-liter engine which were replaced by the newer 1.9-liter RZ4E-TC in facelift version which was introduced in 2015. And there are models with more powerful 3.0 4JJ1 engine.
Isuzu D-Max pre facelift model (RT-50)
Isuzu D-Max post facelift model (RT-85)
Common EGR fault codes
• P1404: EGR valve closed position performance problem (EGR valve not fully closing)
• P042F: EGR valve” A” is stuck closed
• P0400 : EGR Flow Malfunction
• P0401 : EGR Flow Insufficient
• P0402 : EGR Flow Excessive
• P0403 : EGR Control Circuit
• P0405 : EGR Position Sensor Low
• P0406 : EGR Position Sensor High
• P2413 : EGR System Performance
Common DPF fault codes
• P2002 : DPF Efficiency Below Threshold
• P2452 : DPF Pressure Sensor Circuit
• P2453 : DPF Pressure Sensor Range/Performance
• P2454 : DPF Pressure Sensor Low
• P2455 : DPF Pressure Sensor High
• P2459 : Regeneration Frequency Too High
• P2463 : DPF Soot Accumulation
• P246C : Ash Accumulation
Best tuning tools to read Isuzu D-max with Transtron ECU
KESS3 (OBD/Boot)
AUTOTUNER (OBD/Boot)
MAGICMOTORSPORT FLEX (reads the 3.0-liter version with SH725XX ecu) (OBD/Boot)
DIMSPORT NEW GENIUS & MY GENIUS (supports all generations and engines in OBD)
DIMSPORT NEW TRASDATA (supports all generations and engines in Bench and Boot mode)
BITBOX (FID:280)
ECU Tuning solution for Isuzu D-max with Transtron ECU
EGR off solution
First use a scanner or diagnostic tools and read the related fault codes.
Read the file using a compatible tool in OBD or Bench/Boot depending on your tool compatibility.
Upload your file on our website with related egr fault codes.
You can receive your file from your dashboard withing 15 to 20 minutes.
Note: Before writing the file make sure the EGR actuator plug is disconnected.
Write the file using the same reading method then clear fault codes
DPF off solution
Read the file using a compatible tool in OBD or Bench/Boot depending on your tool compatibility.
Upload your file on our website with related DPF fault codes.
You can receive your file from your dashboard withing 15 to 20 minutes.
Note: Before writing the file do a forced regeneration
Write the file using the same reading method then clear fault codes
Location of sensors and actuators in Isuzu D-max
EGR valve and EGR valve actuator plug location
In RT85 for both 3.0-liter and 1.9-liter versions the EGR valve is located on the right side of the engine which the intake manifold is located there as well.

