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B1370

Overview

Code

B1370

Code Type

B

Code Class

B0

System

Body, Electrical

Severity Level

High

Emissions Related

false

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

false

Code Definition

Diagnostic trouble code B1370 indicates an ignition switch circuit malfunction

Symptoms

No start; Intermittent electrical power

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Ignition power distribution

Possible Causes

Faulty ignition switch; Wiring issues

Diagnostic Steps

1 Inspect ignition switch signals; 2 Test power output; 3 Check wiring for shorts/open; 4 Replace ignition switch if faulty

Drive Safety Notes

Vehicle may fail to start unexpectedly

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