C1153 Engine Trouble Code
What is C1153?
C1153 code can indicate a faulty oxygen sensor, which may eventually damage the catalytic converter (repair cost: $2,000–$2,200). Professional diagnosis costs around $200–$210. Oxygen sensors are often straightforward to replace — check your owner's manual for location and instructions. This issue should be addressed promptly to prevent further damage.
Code Information
| Code Type: | OBD-II Chassis (C) Trouble Code |
| System: | Chassis |
| Code: | C1153 |
C1153 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
C1153 Code Structure
Understanding what each digit means in the C1153 chassis trouble code:
| C | 1 | 1 | 5 | 3 |
|---|---|---|---|---|
| Chassis Code | Fuel And Air Metering | Fuel Rail/System Pressure — Too High | Cylinder 1 Injector Circuit Low | Exhaust Gas Recirculation Sensor B Circuit High |
How to Fix C1153
Diagnostic Steps:
Regarding C1153, carefully inspect the wire harness near the intake manifold bracket, best accessed from below near the oil filter. Look for chafing, pinching, or damaged insulation.
Repair Solution:
Brake switch circuit concerns may involve open or shorted BPP circuits, damaged switches, or misadjustment. Verify stoplight function and follow proper self-test procedures per service manual.
Technical Notes:
C1153 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.
C1153 Description
C1153 engine trouble code is related to Exhaust Gas Recirculation Sensor B Circuit High.
Main Cause
The primary reason for C1153 OBD-II Engine Trouble Code is: Fuel Rail/System Pressure — Too High.