Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Test
- VERIFY THAT DTC B1429-RADIO DISPLAY HIGH TEMPERATURE IS ACTIVE.
With the scan tool, clear all 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: B1429-RADIO DISPLAY HIGH TEMPERATURE?
Yes
- Replace the Radio in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1 .
No
- Test Complete.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.