B1342 - ECU Is Defective

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

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

First diagnose B1342 code

    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 terminals.

Cost of diagnosing the B1342 code

    Labor: 1.0

    The cost of diagnosing the B1342 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1342 Possible Symptoms

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

B1342 Meaning

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 - Engine-Codes.com

B1342 More Information

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B1342 Information for specific makes

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