ECU overview
- ECU manufacturer
- Denso
- ECU family
- Standalone model
- ECU model
- DENSOSHXX
- Supported solutions
- 4
- Mapped DTC codes
- 249
- Vehicle brands
- Mazda
The Denso DENSOSHXX is a control unit produced by Denso. In the Map Decoder database it is linked to Mazda vehicles. Coverage for this ECU is built from 4 stored modifications learned on real original and modified files.
What Map Decoder can do on a DENSOSHXX file
Every operation below is backed by a stored, verified modification for DENSOSHXX. Nothing is listed that the software cannot actually perform on this ECU.
DPF Off
Removes diesel particulate filter regeneration and monitoring logic from DENSOSHXX files.
EGR Off
Disables exhaust gas recirculation control in DENSOSHXX calibrations, including the related fault reporting.
Lambda / O2
Disables lambda / O2 sensor monitoring in DENSOSHXX without breaking fuelling.
MAF Off
Removes mass air flow sensor dependency and its diagnostics from DENSOSHXX.
Map detection and patch generation for DENSOSHXX
Map detection
Upload an original DENSOSHXX read. Map Decoder locates the relevant calibration tables automatically instead of relying on a fixed address list, so files from different software versions are handled.
Patch generation
A stored modification is only offered when it fits your binary. Region similarity and anchor signatures are checked against the uploaded file first, so a change learned on one software version is never blindly written to another.
Checksum correction
Checksums covering the regions a patch touches are recalculated as part of patch generation, so the ECU accepts the modified flash.
DENSOSHXX DTC codes
Map Decoder holds 249 diagnostic trouble codes for the DENSOSHXX. Each entry stores the address and the byte values measured on a real file.
P0016P0030P0034P0035P0047P0048P004CP004DP0072P0073P0079P007BP007CP007DP0080P0087P0088P0089P0093P0096P0097P0098P009BP009F
Other Denso ECUs
- Denso DENSO GEN36 solutions · 276 DTC
- Denso DENSO RA65 solutions · 149 DTC
- Denso GEN23 solutions
- Denso S5xx2 solutions
- Denso SH051,442 DTC
- Denso SHxx249 DTC
- Denso VEA4 solutions · 362 DTC
Vehicle brands using the DENSOSHXX
Other Denso ECU families
- SH2 ECUs
Denso DENSOSHXX — frequently asked questions
What is the Denso DENSOSHXX?
The DENSOSHXX is an engine control unit produced by Denso. It is used in Mazda vehicles.
Can Map Decoder identify maps in DENSOSHXX files?
Yes. Upload an original read and the relevant calibration tables are located automatically. The result is verified against the binary before any patch is offered, so a mismatched file is rejected rather than silently patched.
Which operations are supported for the Denso DENSOSHXX?
Validated operations for this ECU: DPF Off, EGR Off, Lambda / O2 and MAF Off. They come from 4 stored modifications learned on real files.
Does Map Decoder support DTC removal on the DENSOSHXX?
Yes. 249 diagnostic trouble codes are mapped for this ECU, each with the address and the byte values measured on a real file rather than a guessed constant.
Does Map Decoder correct the checksum after patching a DENSOSHXX file?
Yes. Checksums covering the regions a patch changes are recalculated during patch generation, so the modified file is accepted by the ECU.
Work on Denso DENSOSHXX files
Map Decoder analyses Denso DENSOSHXX files, detects the maps and generates a verified patch with the checksum corrected.