P0955High Severity
Transmission System Malfunction (Circuit 0955)
This diagnostic trouble code indicates a malfunction in the associated component circuit.
Common Symptoms of P0955
- Check Engine Light (CEL) Illumination
- Potential decrease in transmission system efficiency
- Engine performance issues related to circuit 0955
- Possible stall or rough idle
What Causes the P0955 Code?
- Faulty sensor or actuator in transmission system
- Corroded, broken, or shorted wiring harness
- Poor electrical connection
- In rare cases, a failing Engine Control Module (ECM)
How serious is the P0955 code?
Because this code has a high severity level, it is highly recommended to address it promptly. Driving with an active P0955 fault can lead to secondary component failures and decreased fuel economy.
How do you definitively diagnose and fix P0955?
To accurately diagnose the P0955 fault code, you need the exact OEM wiring diagram and diagnostic test procedures for your specific vehicle. Create an Auto Fix Data account to instantly pull the factory diagrams for this fault.
Fix P0955 Now
Access the OEM repair manual and interactive wiring diagram to diagnose this exact code.
- Pin-to-pin wiring diagrams
- Component testing steps
- Technical Service Bulletins
- Identifix confirmed fixes
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