DTC Descriptors
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTC C0550 32
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Electronic Control Unit (ECU) Performance General Memory Failure
- DTC C0550 34
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Electronic Control Unit (ECU) Performance RAM Failure
- DTC C0550 35
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Electronic Control Unit (ECU) Performance ROM Failure
- DTC C0550 39
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Electronic Control Unit (ECU) Performance Internal Electronic Failure
- DTC C0550 4B
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Electronic Control Unit (ECU) Performance Calibration Not Learned