AutoCodes – Generic – P1CB6

P1CB6 Code - Gear Shift Actuator 1 Circuit High

Quick Answer

The Transmission Control Module (TCM) monitors the Gear Shift Actuator P2 (PPV-1) (Engage Valve) and circuits for errors. Common causes include Faulty Engage Valve, Engage Valve harness is open or shorted, Engage Valve 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: P1CB6 indicates Gear Shift Actuator 1 Circuit High.
Common causes: Common causes include Faulty Engage Valve, Engage Valve harness is open or shorted, Engage Valve 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.

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Code Popularity 1,394

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1CB6 Description

The Transmission Control Module (TCM) monitors the Gear Shift Actuator P2 (PPV-1) (Engage Valve) and circuits for errors. If the TCM detects an error in the Gear Shift Actuator P2 (PPV-1) (Engage Valve) circuit, the Diagnostic Trouble Codes (DTC) will be set.

OBDII Code P1CB6 - Gear Shift Actuator 1 Circuit High - AutoCodes.com — P1CB6 Code - Gear Shift Actuator 1 Circuit High

What does this mean?

What are the Possible Causes of the DTC P1CB6?

Faulty Engage Valve
Engage Valve harness is open or shorted
Engage Valve circuit poor electrical connection
Faulty Transmission Control Module (TCM)

How to Fix the DTC P1CB6?

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 P1CB6 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 P1CB6 code?

Need more information on how to fix the P1CB6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1CB6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1CB6 Chrysler — Gear Shift Actuator 1 Circuit High
P1CB6 Dodge — Gear Shift Actuator 1 Circuit High
P1CB6 Fiat — Gear Shift Actuator 1 Circuit High
P1CB6 Jeep — Gear Shift Actuator 1 Circuit High

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 P1CB6 Code

1. What does the OBDII code P1CB6 mean?

P1CB6 indicates a "Gear Shift Actuator 1 Circuit High" fault, meaning the circuit for the actuator has an abnormally high voltage reading.

2. What are the common symptoms of the P1CB6 code?

Symptoms may include difficulty shifting gears, the vehicle stuck in a specific gear, reduced performance, or the transmission warning light being illuminated.

3. What causes the P1CB6 code to appear?

Common causes include a faulty gear shift actuator, damaged wiring or connectors in the actuator circuit, or a malfunctioning transmission control module (TCM).

4. Can I drive with the P1CB6 code active?

Driving with this code is not recommended, as it may cause further damage to the transmission or leave you stranded if the vehicle becomes stuck in a single gear.

5. How do you diagnose the P1CB6 code?

Diagnosis involves using a scan tool to confirm the code, inspecting the actuator wiring and connectors for damage, and testing the actuator for proper operation with a multimeter.

6. How is the P1CB6 code fixed?

Repairs typically include replacing the faulty gear shift actuator, repairing or replacing damaged wiring or connectors, or reprogramming the TCM if necessary.

7. How much does it cost to fix the P1CB6 code?

Repair costs vary but may range from $200 to $800, depending on whether the actuator, wiring, or TCM requires replacement or repair.

8. Can a dead battery cause the P1CB6 code?

A weak or dead battery is unlikely to directly cause this code, but voltage issues can exacerbate actuator circuit problems.

9. Will clearing the P1CB6 code solve the problem?

Clearing the code with a scan tool may temporarily turn off the warning light, but the underlying issue must be addressed to prevent the code from returning.

10. Is the P1CB6 code specific to certain vehicles?

While the code is more common in vehicles with advanced automatic transmissions, its exact meaning and repair steps may vary slightly between manufacturers. Always consult the vehicle's service manual.