Home Learning Paths ECU Lab Assessments Interview Preparation Arena Pricing Log In Sign Up
Pro

UDS Pro Diagnostic Studio

Advanced diagnostic scripting, automated flash programming, protocol analysis & test automation

Target ECU: Protocol: ● Connected 00:00:00
SessionDefault (0x01)
Security🔒 Locked
DTCs3 active
P2 Timer50 ms
Tester PresentInactive
Comm ControlNormal
Line: 1|Execution: -|Variables: 0
Script OutputIDLE
UDS Pro Script Engine v2.4 ready.
Commands: session(), security(), read_did(), write_did(), routine(), download(), transfer(), reset(), sleep(), assert(), print(), loop, if/else

Variable Watch

0 vars
NameValueType
No variables yet
Progress: 0%

Flash Sequence Phases

Idle
  • 1
    Pre-Conditions Check
    Verify voltage, session state, preconditions
  • 2
    Enter Programming Session
    DiagnosticSessionControl (0x10 0x02)
  • 3
    Disable DTC & Comms
    ControlDTCSetting (0x85) + CommControl (0x28)
  • 4
    Security Access
    Seed-Key challenge-response (Level 0x01/0x02)
  • 5
    Write Fingerprint
    WriteDataByIdentifier (0x2E) - programming date
  • 6
    Erase Memory
    RoutineControl 0xFF00 - erase flash sectors
  • 7
    Request Download
    RequestDownload (0x34) - negotiate transfer
  • 8
    Transfer Data
    TransferData (0x36) - block-by-block upload
  • 9
    Transfer Exit
    RequestTransferExit (0x37)
  • 10
    CRC Verification
    RoutineControl 0xFF01 - CRC32 integrity check
  • 11
    Re-enable DTC & Comms
    Restore normal operation
  • 12
    ECU Reset
    ECUReset (0x11 0x01) - hard reset & verify

Memory Map

0x00040000 - 0x00080000
Empty Erased Writing Written Verified
Flash Programming Log
Flash Programmer ready.

Transfer Statistics

0/0
Blocks
0 KB
Transferred
-
Speed KB/s
0
Retries
-
CRC-32
0s
Elapsed

Response Timing

P2
5ms
P2*
250ms
S3 Timer
0ms
Frames: 0
Protocol Trace - ISO 14229
TIMEDIRSIDRAW DATADECODE

Frame Inspector

Click a frame in the trace to inspect

Send UDS Request

Capture Statistics

0
TX Frames
0
RX Frames
0
NRC Errors
- ms
Avg Response
✓ 0 ✗ 0 ⊘ 0

Test Cases

0 tests
Test Execution Log
Automated Test Runner v2.4 ready.

Coverage Report

0%
Services
0%
NRC Paths
0%
Sessions
0%
DIDs

Fault Injection Controls

0 active

Toggle faults to simulate real-world ECU errors. Active faults affect all tabs.

Response Timeout (no response)
NRC 0x21 - busyRepeatRequest
NRC 0x22 - conditionsNotCorrect
NRC 0x33 - securityAccessDenied
NRC 0x72 - generalProgrammingFailure
NRC 0x24 - requestSequenceError
NRC 0x92 - voltageTooLow
Corrupt Response Data (CRC fail)
Partial / Truncated Response
NRC 0x78 - ResponsePending loop (×5)
Session Timeout / Drop to Default
Unexpected ECU Reset
Fault Injection Log
Fault injection engine ready.

NRC Reference (ISO 14229)

NRCNameDescription
0x10generalRejectGeneral rejection
0x11serviceNotSupportedService not available
0x12subFunctionNotSupportedSub-function invalid
0x13incorrectMessageLengthInvalid request length
0x21busyRepeatRequestECU busy, retry later
0x22conditionsNotCorrectPre-conditions not met
0x24requestSequenceErrorWrong request order
0x31requestOutOfRangeParameter out of range
0x33securityAccessDeniedSecurity not unlocked
0x35invalidKeyWrong security key
0x36exceededNumberOfAttemptsToo many failed attempts
0x72generalProgrammingFailureFlash write error
0x73wrongBlockSequenceCounterBlock counter mismatch
0x78responsePendingProcessing, response coming
0x7EsubFuncNotSupportedInSessionWrong session for sub-func
0x7FserviceNotSupportedInSessionService blocked in session
0x92voltageTooLowBattery voltage too low