Engine-Codes - Generic - B1342

B1342 Code - ECU Is Defective

- Code Popularity: 83,724 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1342?

  • 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 to Fix the B1342 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B1342?

Labor: 1.0

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

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|What are Code B1342 Possible Symptoms?

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

|What Does the B1342 Code Mean?

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.

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

|Code B1342 Information for Specific Makes

|Need Help with the B1342 Code?

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