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.
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HOMESERVICE MANUALSTOYOTA20054RUNNER SR5, 4.7 T, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSWIRELESS DOOR LOCK - DIAGNOSTICSDIAGNOSTIC TROUBLE CODE CHART
2005 Toyota 4Runner SR5, 4.7 T, AWD
Diagnostic Trouble Code Chart
2005 Toyota 4Runner SR5, 4.7 T, AWDSECTION Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC B1242 | WIRELESS DOOR LOCK TUNER CIRCUIT MALFUNCTION |
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the chart below (Proceed to the step given for that circuit).
HINT:
The DTC detection method (See PRE-CHECK ).
RENDER: 1.0x
NO RELATED
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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.