P1535 Engine Trouble Code
What is P1535?
With P1535, 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 Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P1535 |
P1535 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
P1535 Code Structure
Understanding what each digit means in the P1535 powertrain trouble code:
| P | 1 | 5 | 3 | 5 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering | Fuel Composition Sensor Circuit Malfunction | Injection Pump Fuel Metering Control 'A' High | Crankshaft Position Sensor B Circuit Malfunction |
How to Fix P1535
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:
Firing order is engineered to minimise vibration. Altering firing order results in mistimed ignition and poor engine operation. Consult vehicle-specific repair manual for correct firing order.
Technical Notes:
P1535 on electronically controlled automatic transmissions relates to shift solenoid operation. The solenoid actuates hydraulic circuits controlling clutches or bands for gear changes.
P1535 Description
P1535 OBD-II Trouble Code: Blower Fan Speed Circuit Range/Performance is one of the definitions for the P1535; however your vehicles manufacturer may have a different definition for the P1535 code. Please check below for your s
Main Cause
The primary reason for P1535 OBD-II Engine Trouble Code is: Fuel Composition Sensor Circuit Malfunction.