B13xx OBD-II Codes (B1300–B1399)

24 fault codes in the B13xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Power Door Lock Circuit — Short to Ground

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Battery Saver Relay Coil Circuit Open (Ford); Evaporator Inlet Temp Sensor (some GM)

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Driver Door Ajar Circuit Failure (door-ajar switch)

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific body code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

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