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Mode 01 • PID 06

OBD2 PID 0106

Short term fuel trim, Bank 1

Definition

Mode
01 (hex)
PID
06 (hex)
Data bytes
1
Formula
(A-128) * 100/128
Range
-100 – 99.22 %
Units
%

How to read PID 0106

Send mode 01 with PID 06 over OBD-II. The ECU returns 1 data byte(s), decoded with (A-128) * 100/128 (A, B, C, D are the returned bytes in order). The result is “Short term fuel trim, Bank 1” in %. 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

0102 DTC that triggered Fre0103 Fuel system status0104 Calculated engine load0105 Engine coolant tempera0107 Long term fuel trim, B0108 Short term fuel trim, 0109 Long term fuel trim, B010A Fuel pressure

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