Diagnostic Test
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
VERIFY THAT DTC B142A-RADIO UNIT HIGH TEMPERATURE IS ACTIVE.
- With the scan tool, erase the DTC's.
- 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 DTC's.
Does the scan tool display active: B142A-RADIO UNIT HIGH TEMPERATURE?
Yes
- Replace the Radio in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test Complete.