AutoCodes – Cadillac – P1350 Cadillac

P1350 Cadillac Code - Ignition Control System

Quick Answer

The Ignition Control Module (ICM) has independent power and ground circuits. Common causes include Faulty Ignition Control Module, Ignition Control Module harness is open or shorted, Ignition Control Module circuit poor electrical connection. 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
P1350 Cadillac indicates Ignition Control System.
Common causes
Common causes include Faulty Ignition Control Module, Ignition Control Module harness is open or shorted, Ignition Control Module circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 17,994
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 17, 2019
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Code P1350 Cadillac Description

The Ignition Control Module (ICM) has independent power and ground circuits. The circuits between the ICM and the Powertrain Control Module (PCM) consists of the following circuits:
-The ignition control (IC) timing signal
-The IC timing control
-The low resolution engine speed signal
-The medium resolution engine signal
-The camshaft position signal
-The low reference
The ICM sends 3X signals to the PCM, and controls the timing advance during engine cranking. The timing advance changes to PCM control after the following actions occur:
The PCM receives the second 3X signal
The PCM applies 5 volts to the ignition control (IC) timing signal circuit.
The ICM monitors the CKP sync signal when the engine is cranking. The CKP sync signal is passed from the CKP sensor to the ICM on the CKP sensor 2 signal circuit. The CKP sync signal is used to determine the correct cylinder pair and initiate the ignition coil firing sequence. The 18X reference pulses are passed from the CKP sensor to the ICM on the CKP sensor 1 circuit. The 18X reference pulses are used for fuel injection and ignition control. After the ICM receives both signals, the ICM passes the 18X and 3X reference signals to the PCM. The CMP and the CKP sensors share a 12 volt reference and low reference circuit. The CKP sensor consists of the following circuits:
-A 12 volt reference
-A low reference
-A CKP sensor 1 signal
-A CKP sensor 2 signal
OBDII Code P1350 Cadillac - Ignition Control System - AutoCodes.com
P1350 Cadillac Code - Ignition Control System

What are the Possible Causes of the DTC P1350 Cadillac?

  • Faulty Ignition Control Module
  • Ignition Control Module harness is open or shorted
  • Ignition Control Module circuit poor electrical connection

How to Fix the DTC P1350 Cadillac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1350 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1350 Cadillac Code

1. What are the common symptoms of OBDII code P1350 in a Cadillac related to the Ignition Control System?

- Common symptoms include engine misfires, rough idling, loss of power, and the Check Engine light illuminating on the dashboard.

2. What are the possible causes of OBDII code P1350 in a Cadillac?

- Possible causes include faulty ignition control module, issues with the ignition coil, wiring problems, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the OBDII code P1350 in my Cadillac?

- Diagnosis involves using an OBDII scanner to retrieve the specific trouble code and then inspecting the ignition system components for any visible damage or testing them with a multimeter.

4. Can I drive my Cadillac with OBDII code P1350 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and exhaust system. Immediate attention and repair are advised.

5. How do I repair OBDII code P1350 in a Cadillac?

- Repair involves identifying the root cause of the issue, which could be a faulty ignition control module, malfunctioning ignition coil, or wiring problems, and then replacing or repairing the problematic component.

6. Is it possible to reset the OBDII code P1350 in a Cadillac without fixing the underlying issue?

- While it is possible to clear the trouble code with an OBDII scanner, the Check Engine light may come back on if the root cause of the code is not addressed.

7. Are there any DIY tips for fixing OBDII code P1350 in a Cadillac?

- DIY tips include checking and securing all wiring connections related to the ignition system, inspecting spark plugs for wear, and ensuring proper grounding of the ignition components.

8. How much does it cost to repair OBDII code P1350 in a Cadillac at a repair shop?

- The cost of repair can vary depending on the root cause of the issue, but it may range from $200 to $500, including parts and labor.

9. Can a mechanic help me fix OBDII code P1350 in my Cadillac?

- Yes, a qualified mechanic can diagnose and repair the issue related to the Ignition Control System, ensuring proper functioning of the vehicle and clearing the trouble code.

10. How long does it typically take to repair OBDII code P1350 in a Cadillac?

- The repair time can vary depending on the complexity of the issue and the availability of parts, but it may take a few hours to a full day to complete the repair process.

1. What does the OBDII code P1350 for Cadillac mean?

The P1350 code indicates a problem with the Ignition Control System in a Cadillac vehicle.

2. What are the common symptoms of a P1350 code in a Cadillac?

Common symptoms of a P1350 code may include engine misfires, rough idle, lack of power, and difficulty starting the vehicle.

3. What are the possible causes of a P1350 code in a Cadillac?

Possible causes of a P1350 code include faulty ignition control module, issues with the ignition coil, wiring problems, or a defective crankshaft position sensor.

4. How can I diagnose a P1350 code in my Cadillac?

Diagnosing a P1350 code typically involves using a scan tool to check for the specific code, inspecting the ignition control module and related components, and testing the electrical connections.

5. Can a DIY enthusiast repair a P1350 code in a Cadillac?

While some DIY enthusiasts may be able to address a P1350 code by replacing faulty components like the ignition control module or ignition coil, it is recommended to consult a professional mechanic for proper diagnosis and repair.

6. What are the repair options for a P1350 code in a Cadillac?

Repair options for a P1350 code may include replacing the faulty ignition control module, ignition coil, crankshaft position sensor, or repairing any damaged wiring or connections.

7. Is it safe to continue driving with a P1350 code in a Cadillac?

It is not recommended to drive the vehicle with a P1350 code, as it can lead to further engine damage and potential safety hazards. It's best to address the issue promptly.

8. How much does it cost to repair a P1350 code in a Cadillac?

The cost of repairing a P1350 code in a Cadillac can vary based on the specific issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from different mechanics or repair shops.

9. Can a P1350 code in a Cadillac cause permanent damage if ignored?

Ignoring a P1350 code can potentially lead to permanent damage to the engine, reduced fuel efficiency, and other issues. It's important to address the code as soon as possible.

10. How can I prevent a P1350 code from occurring in my Cadillac?

To prevent a P1350 code, it is essential to perform regular maintenance on the ignition system, replace spark plugs and ignition components as recommended, and address any issues promptly to avoid further damage.

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