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B142A






B142A - Radio Unit High Temperature

For a complete wiring diagram, refer to.

When Monitored: Continuously with the ignition and radio on.

Set Condition: The code will set if the temperature inside the radio is more than +65°C (+145°F).






Test Step 1 - Verify that DTC B142A - Radio Unit High Temperature is Active.

With the scan tool, erase the audio DTCs.

Start the engine and allow the engine to reach normal operating temperature.

If the vehicle has been in the hot sunlight or extreme cold, move the vehicle indoors and open the doors to allow the inside temperature to stabilize.

The radio should operate between -23°C and 65°C (-10°F and +145°F).

With the scan tool, read the DTC's.

Does the scan tool display B142A - Radio Unit High Temperature?

Yes

Replace the radio.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

Test complete.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior