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Mode 01 • PID 53

OBD2 PID 0153

Evap system vapor pressure

Definition

Mode
01 (hex)
PID
53 (hex)
Data bytes
2
Formula
((A*256)+B)/200
Range
0 – 327675 kPa (Absolute)
Units
kPa (Absolute)

How to read PID 0153

Send mode 01 with PID 53 over OBD-II. The ECU returns 2 data byte(s), decoded with ((A*256)+B)/200 (A, B, C, D are the returned bytes in order). The result is “Evap system vapor pressure” in kPa (Absolute). This is standard SAE J1979 data supported by most OBD-II scan tools and loggers.

Why it matters for tuning

Live PIDs like this are how tuners and workshops verify a remap on the road — logging RPM, load, boost, lambda and temperatures to confirm the map is safe. The desktop Softechpro Solutions software complements live logging with offline ECU editing: DPF/EGR/AdBlue/DTC off and Stage tuning with automatic checksum.

Related PIDs

014F Maximum value for equi0150 Maximum value for air 0151 Fuel Type0152 Ethanol fuel %0154 Evap system vapor pres0155 Short term secondary o0156 Long term secondary ox0157 Short term secondary o

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