P0335 on Saab: How to Diagnose & Fix
Crankshaft Position Sensor A Circuit Malfunction
1 Saab model · 1 documented issue · 1 critical · $100-$350 repair
P0335 on Saab by model: symptoms, diagnosis and fix
The crankshaft position sensor on the first-generation 9-5 (B235 engine) is a very common failure item. As it degrades it tends to fail when the engine is hot, producing the classic 'hot no-start': the engine cranks but will not fire when warm, then restarts after cooling. It can also cause intermittent stalling while driving, a real safety concern.
Common Symptoms
- Hot no-start (cranks but won't start when warm)
- Intermittent stalling
- Restarts after cooling down
- Check engine light
How to Fix
Replace the crankshaft position sensor with an OEM/Bosch-quality part - cheap unbranded aftermarket sensors are reported to fail again within months. The sensor is relatively inexpensive but located awkwardly near the bell-housing.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- Bosch OE-supplier crank position sensor 32101510 / Saab 55557326
Saab 9-5 1998-2009 B205/B235 four-cylinder and cataloged OG 9-3 applications; confirm VIN/engine. Not B308 V6 or later engines.
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Sources for this issue (3)
P0335 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0335 mean on a Saab?
P0335 stands for "Crankshaft Position Sensor A Circuit Malfunction." This code means the engine computer has lost or detected a faulty signal from the crankshaft position sensor (sensor A), which tells the computer exactly how fast and in what position the crankshaft is rotating. That signal is essential for timing the spark and fuel injection, so a problem here can cause hard starting, stalling, or a no-start condition. The computer sets this code when the crank sensor signal is missing, erratic, or out of its expected pattern. Causes range from a failed sensor or damaged wiring to a problem with the reluctor (tone) ring the sensor reads. On Saab it is documented across 1 model: 9-5.
What are the most common causes of P0335?
The most common causes of P0335 are: Failed crankshaft position sensor, Damaged, corroded, or loose sensor wiring/connector, Metal debris or oil contamination on the sensor tip, Damaged or misaligned reluctor (tone) ring, Excessive air gap between sensor and tone ring, Wiring shorted or open in the sensor circuit, Faulty PCM/ECM (rare). The specific cause varies by vehicle.
How much does it cost to fix P0335 on a Saab?
Published repair estimates on Saab range from $100 to $350 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.
Looking for P0335 on a different make?
View P0335 across all makes →Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.