P0658 Cadillac Code - Actuator High Control Circuit Group 1 Low Voltage
Quick Answer
The Transmission Control Module (TCM) receives information from a variety of sensors, switches, and serial data information from other control modules. Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted. 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
- P0658 Cadillac indicates Actuator High Control Circuit Group 1 Low Voltage.
- Common causes
- Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted.
- 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.
Code P0658 Cadillac Description
What are the Possible Causes of the DTC P0658 Cadillac?
- Faulty Transmission Control Solenoid Valve
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P0658 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 P0658 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.
Need more information about the P0658 Cadillac code?
Need more information on how to fix the P0658 Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0658 Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0658 Cadillac Code
What does the OBDII code P0658 mean on a Cadillac?
The P0658 code indicates a low voltage issue in the Actuator High Control Circuit Group 1, which affects components like solenoids or actuators in the vehicle.
What are the symptoms of code P0658 on a Cadillac?
Symptoms may include the check engine light turning on, reduced engine performance, transmission issues, or erratic behavior of certain systems controlled by actuators.
What causes the P0658 code on a Cadillac?
Common causes include damaged wiring, corroded or loose electrical connections, a faulty actuator or solenoid, or a malfunctioning powertrain control module (PCM).
Can I drive my Cadillac with the P0658 code?
It’s not recommended to drive for extended periods with this code, as it may lead to poor vehicle performance or damage to components if the underlying issue isn’t resolved.
How do I diagnose the P0658 code on my Cadillac?
Start by checking the wiring and connectors for damage or corrosion, test the actuator or solenoid in Group 1, and use a multimeter to measure voltage levels in the circuit.
What tools are needed to fix a P0658 code on a Cadillac?
You’ll typically need an OBDII scanner, a multimeter, basic hand tools, and possibly wiring repair supplies to troubleshoot and repair the issue.
Does the P0658 code mean my Cadillac’s PCM is faulty?
Not necessarily. While a faulty PCM is possible, it’s less common. Most P0658 cases are caused by wiring issues, a bad actuator, or a failed solenoid.
How much does it cost to fix the P0658 code on a Cadillac?
Repair costs can vary depending on the cause. Wiring repairs may cost $100–$200, while actuator or solenoid replacement could range from $200–$500.
Can a blown fuse cause the P0658 code on a Cadillac?
Yes, a blown fuse in the circuit can interrupt voltage supply and trigger the P0658 code, so check the fuses as part of your diagnosis.
How can I prevent the P0658 code from recurring on my Cadillac?
Regularly inspect and maintain your vehicle’s wiring, connectors, and components, and address any electrical issues promptly to prevent this code from reappearing.
Discuss the causes and fixes for P0658 Cadillac OBDII Code
Code P0658 Cadillac comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
