C1555 Engine Trouble Code
What is C1555?
With C1555, you may drive for several weeks with a malfunctioning MAF sensor, but expect decreased fuel economy and eventual stalling. Shop replacement costs $240–$400 depending on vehicle. The labour is straightforward, with most cost from the part itself.
Code Information
| Code Type: | OBD-II Chassis (C) Trouble Code |
| System: | Chassis |
| Code: | C1555 |
C1555 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
C1555 Code Structure
Understanding what each digit means in the C1555 chassis trouble code:
| C | 1 | 5 | 5 | 5 |
|---|---|---|---|---|
| Chassis Code | Fuel And Air Metering | Fuel Composition Sensor Circuit Malfunction | Cylinder 1 Injector Circuit Low | Crankshaft Position Sensor B Circuit Malfunction |
How to Fix C1555
Diagnostic Steps:
Poor running symptoms align with MAP sensor malfunction. In some cases, a faulty MAP sensor will not trigger a code. The issue may represent separate wiring concerns requiring individual diagnosis.
Repair Solution:
Regular maintenance of indicator and headlight bulbs ensures proper function. Maintain paint condition to prevent rust. Modern products make these maintenance tasks straightforward and accessible.
Technical Notes:
C1555 DTC indicating a sensor fault does not always mean the sensor itself is bad. The issue may stem from the systems being monitored or even the sensor wiring. Proper diagnosis is essential.
C1555 Description
C1555 engine trouble code is related to Crankshaft Position Sensor B Circuit Malfunction.
Main Cause
The primary reason for C1555 OBD-II Engine Trouble Code is: Fuel Composition Sensor Circuit Malfunction.