Code Definition

P1213 — Start Injector Circuit Malfunction

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Generic

About P1213

P1213 is a manufacturer-specific powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P1213 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1213 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

This code relates to the start injector circuit, also known as the cold start injector or cold start valve, used on some fuel injection systems to deliver additional fuel during cold engine starting. The start injector is a solenoid operated valve that sprays extra fuel into the intake during cranking when the engine is cold, improving cold startability, and is controlled either by the engine control module or by a thermo time switch. DTC P1213 is set when the module detects an electrical malfunction in the start injector control circuit, such as an open circuit, a short, or a component that d...

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