SpareRadar OBD-II Code Lookup

C1238

Set by the manufacturer, so it means different things on different makes. 2 makes in the table below.

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What C1238 means, by make 2 makes
  • Chevrolet Brake Thermal Model Exceeded
  • Toyota Speed Sensor Circuit (MR), Speed Sensor Rotor/Right Rear (Cel.)

Each line is that manufacturer's own meaning for C1238. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure C1238
C
Chassis
braking, steering and suspension
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
2
3
8
Fault index
identifies the specific fault
Chassis Manufacturer-specific
Nearby codes in the C1 range
C1231 manufacturer-specific, 1 make C1234 manufacturer-specific, 2 makes C1235 manufacturer-specific, 2 makes C1237 manufacturer-specific, 1 make C1241 manufacturer-specific, 2 makes C1242 manufacturer-specific, 2 makes C1243 manufacturer-specific, 2 makes C1245 manufacturer-specific, 1 make

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.