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 MANUALSCHRYSLER2007300 V6-2.7L VIN RREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONB CODE CHARTSB1A3E
2007 Chrysler 300 V6-2.7L VIN R
B1A3E
2007 Chrysler 300 V6-2.7L VIN RSECTION B1A3E
B1A3E-SIREN / ITM MISMATCH
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
While the VTSS is armed.
- Set Condition:
ITM losses battery voltage.
Diagnostic Test
1.DETERMINING IF DTC IS CURRENT
NOTE: Diagnose any related Communication DTC(s) before continuing.
With a scan tool, read and record DTC(s).
With the scan tool, clear DTC(s).
Turn the ignition off and remove the key from the ignition.
Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
Disarm the VTSS.
Using the scan tool, read DTC(s).
Does the DTC reset?
Yes
- Check for and correct any CAN B Bus DTC's set in the ITM or other modules. Also check for intermittent loss Fused B(+) to the ITM.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- DTC is not active at this time. Test complete.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
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.