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