⚡ AUTO CODE FIX
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SensorsCritical✅ DIY Friendly

P0338

Crankshaft Position Sensor A Circuit High Input

CKP sensor signal voltage is too high.

SeverityCritical
CategorySensors
Est. Repair Cost$100–$350
Code TypePowertrain
DIY RepairYes

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Check for open circuit
  • Step 2:Test for short to power
  • Step 3:Replace CKP sensor
💡 Pro Tip: High CKP signal voltage usually indicates an open circuit — check the wiring harness routing.

Repair Cost Estimate

Full Repair Estimate
$100–$350
DIY Possible?
YES
Severity
Critical

Frequently Asked Questions

What does OBD2 code P0338 mean?+
P0338 stands for Crankshaft Position Sensor A Circuit High Input. CKP sensor signal voltage is too high.
What causes code P0338?+
Open circuit in signal wire; Short to power; Faulty sensor; Damaged wiring
How do I fix code P0338?+
Check for open circuit; Test for short to power; Replace CKP sensor
How much does it cost to fix P0338?+
Estimated repair cost for P0338 is $100–$350.
Is P0338 DIY-friendly?+
Yes — P0338 is generally DIY-friendly with basic tools.

AI Diagnosis

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