P1135 Dodge Code - Glow Plug Control Module Voltage Supply Concern
Quick Answer
The P1135 diagnostic trouble code (DTC) for Dodge vehicles indicates a potential issue with the Glow Plug Control Module Voltage Supply. Common causes include Faulty glow plug control module, Wiring or connection issues between the glow plug control module and ECM, Poor electrical connection or corrosion in the voltage supply circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1135 Dodge indicates Glow Plug Control Module Voltage Supply Concern.
- Common causes
- Common causes include Faulty glow plug control module, Wiring or connection issues between the glow plug control module and ECM, Poor electrical connection or corrosion in the voltage supply circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1135 Dodge Description
The P1135 diagnostic trouble code (DTC) for Dodge vehicles indicates a potential issue with the Glow Plug Control Module Voltage Supply. The glow plug control module is responsible for managing the voltage supply to the glow plugs in a diesel engine. Glow plugs are crucial for starting a diesel engine, especially in cold weather conditions, as they heat up the combustion chamber for easier ignition of the fuel.
Common Causes of P1135 Dodge
- Faulty glow plug control module
- Wiring or connection issues between the glow plug control module and ECM
- Poor electrical connection or corrosion in the voltage supply circuit
- ECM communication issues with the glow plug control module
- Faulty glow plugs
Symptoms of P1135 Dodge
- Difficulty starting the engine, especially in cold weather
- Rough idling or misfiring
- Reduced engine power and acceleration
- Increased emissions
- Illumination of the Check Engine Light
How to Fix P1135 Dodge
- Begin by performing a thorough diagnostic scan to confirm the P1135 DTC and identify the specific cause of the voltage supply concern.
- Inspect the wiring and connections between the glow plug control module and ECM for any damage or corrosion. Repair or replace any damaged components.
- Test the voltage supply circuit to ensure proper voltage is reaching the glow plug control module. Repair any issues with the circuit.
- If the glow plug control module is determined to be faulty, replace it with a new one following manufacturer's guidelines.
- Clear the DTC and reset the ECM to ensure the issue has been resolved. Test the vehicle to confirm that the symptoms have been eliminated.
Cost to Fix P1135 Dodge
The typical repair costs for addressing a P1135 DTC related to the Glow Plug Control Module Voltage Supply Concern can range from $200 to $500, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes the cost of a new glow plug control module, potential wiring repairs, and labor charges. It is essential to note that diagnostic time and labor rates can vary between auto repair shops, so it is advisable to obtain quotes from multiple sources to ensure a competitive price. Additionally, factors such as the vehicle's make and model, engine type, and location can influence the overall repair costs.
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