Difference between revisions of "17964/P1556/005462"
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==== Possible Symptoms ==== | ==== Possible Symptoms ==== | ||
| − | + | * Reduced power output | |
| − | * Reduced power output | + | * Limp mode |
==== Possible Causes ==== | ==== Possible Causes ==== | ||
| + | * Boost Pressure too Low | ||
* Hoses/Pipes incorrect connected, disconnected or leaking | * Hoses/Pipes incorrect connected, disconnected or leaking | ||
* Charger Pressure Control defective | * Charger Pressure Control defective | ||
| − | ** Solenoid Valve for Boost Pressure Control (N75) defective | + | ** VNT (variable nozzle turbo): nozzles stuck |
| + | * Solenoid Valve for Boost Pressure Control (N75) defective | ||
==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
* Check Hoses/Pipes to/between Components | * Check Hoses/Pipes to/between Components | ||
| − | + | * Check Solenoid Valve for Boost Pressure Control (N75) | |
| − | + | * Check / Clean / Replace Charge Pressure Control | |
| + | ** Check / Clean mechanism for variable nozzles | ||
| + | |||
| + | [[Category:Fault Codes]] | ||
Latest revision as of 16:09, 11 June 2006
17964/P1556 - Charge Pressure Control: Negative Deviation
Possible Symptoms
- Reduced power output
- Limp mode
Possible Causes
- Boost Pressure too Low
- Hoses/Pipes incorrect connected, disconnected or leaking
- Charger Pressure Control defective
- VNT (variable nozzle turbo): nozzles stuck
- Solenoid Valve for Boost Pressure Control (N75) defective
Possible Solutions
- Check Hoses/Pipes to/between Components
- Check Solenoid Valve for Boost Pressure Control (N75)
- Check / Clean / Replace Charge Pressure Control
- Check / Clean mechanism for variable nozzles