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AutoCodes - Generic - B1342

B1342 Code - ECU Is Defective

- Code Popularity: 84,902 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Mar 14, 2019
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|Code B1342 Possible Causes

  • The B1342 code means that the Electronic Control Unit (ECU) has failed, usually the code is combine with other issues or codes. Repair other problems before replacing the ECU

|How do I Fix the Code B1342?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1342?

Labor: 1.0

The cost of diagnosing the B1342 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1342 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code B1342 Description

When a repetitive fault causing a circuit overload is detected on certain output circuits, the Smart Junction Box (SJB) disables the circuit by removing voltage, or ground, to the affected circuit. The circuit remains disabled until the fault is corrected and an on-demand self-test is run. When the on-demand self-test has been run after all faults have been corrected, any Diagnostic Trouble Code (DTC) related to the fault are cleared.

OBDII Code B1342 - ECU Is Defective -
B1342 Code - ECU Is Defective

|Need More Information on the B1342 Code?

Need more information on how to fix the B1342 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1342 Code?

Get the B1342 code diagnosed by a professional: Find a repair shop in your area

|Code B1342 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1342 code? Have you replaced any parts?
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