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TuningBot DTC Database · v4.37.15

P2E7C A/C Compressor Control Module Internal Temperature Sensor B Circuit

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainSoftwareOBD2

What P2E7C means

P2E7C
A/C Compressor Control Module Internal Temperature Sensor B Circuit Generic · software Data confidence 65%

The control module detected improper operation of the A/C Compressor Control Module Internal Temperature Sensor B circuit.

Symptoms

  • MIL illuminated
  • Symptoms depend on the affected internal function

Possible causes

  • Internal control module hardware fault
  • Control module supply voltage or ground fault
  • Software/coding fault after programming
  • In rare cases, interference from wiring faults

Recommended checks

  • Check control module power supplies and grounds first
  • Check battery condition and charging voltage
  • Verify software version and check OEM bulletins
  • Clear the code and retest under the original conditions
  • Only after supply-side checks, consider module assessment

Related and nearby codes

P2E range
P2E00P2E01P2E02P2E03P2E04P2E05P2E06P2E07P2E08P2E09P2E0AP2E0BP2E0CP2E0DP2E0EP2E0FP2E10P2E11

How to read P2E7C

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

E7C

Specific fault index within the subsystem.

Frequently asked questions about P2E7C

What does P2E7C mean?

A/C Compressor Control Module Internal Temperature Sensor B Circuit. The control module detected improper operation of the A/C Compressor Control Module Internal Temperature Sensor B circuit.

Is P2E7C generic or manufacturer-specific?

P2E7C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2E7C at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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