Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
| Cause |
DTCs |
| Engine: |
- Engine coolant level low
- Engine Overheating
- Incorrect engine coolant
- Old coolant or incorrect concentration level
- Cooling system leak
- Radiator hose kinked or pinched
- Loose, missing, or damaged radiator air seals or deflector - restricted air flow
- The radiator and air conditioning condenser has air flow obstructions to include large amount of bent fins
- The cooling fans do not operate
- Inspect the engine mechanical for worn, leaking, cracked cylinder heads, or engine block
|
- |
| Transmission: |
Vehicle Overload or Beyond Capacity Towing:
- Vehicle is overloaded
- Vehicle is towing beyond capacity. This vehicle is neither designed nor intended to tow a trailer or another vehicle.
- Vehicle modifications
|
- |
Heat Transfer:
- Engine overheating
- Cooler restrictions
- Restricted air flow
- Vehicle modifications
- Aftermarket auxiliary cooler installed incorrectly, incorrect flow direction - reversed flow
- Restricted, blocked, or pinched transmission cooler lines
- Stuck closed transmission thermal bypass valve
|
- |
Transmission Abuse:
- Vehicle overloaded
- Vehicle is towing beyond capacity. This vehicle is neither designed nor intended to tow a trailer or another vehicle.
- Vehicle modifications
|
- |
Vehicle Damage:
- Transmission oil cooler pipe kinked, pinched or restricted
- Restricted air flow
|
- |
Transmission Fluid:
- Fluid leaks
- Low fluid level
- Contaminated or poor transmission fluid quality
|
P079A
P079B |
Low Fluid Pump Output:
- Low fluid level
- Blocked, damaged or loose filter
- Pinched or restricted cooler lines
- Restricted cooler - damage or debris
- Inefficient pump - worn
|
- |
Clutch Slippage:
- Low fluid level
- Low fluid pump output
- Damaged or leaking clutch seals
- Internal hydraulic leak
- Worn clutch plate assembly
|
P079A
P079B |