AutoCodes – Generic – P054B

P054B Code - Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1

Quick Answer

The Powertrain Control Module (PCM) monitors the Variable Camshaft Timing (VCT) position for an over-advanced camshaft timing during cold start up. Common causes include Camshaft timing incorrectly set, Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber, VCT solenoid valve stuck open. 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: P054B indicates Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1.
Common causes: Common causes include Camshaft timing incorrectly set, Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber, VCT solenoid valve stuck open.
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 15,181

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 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P054B Description

The Powertrain Control Module (PCM) monitors the Variable Camshaft Timing (VCT) position for an over-advanced camshaft timing during cold start up. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in a retarded position.

OBDII Code P054B - Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1 - AutoCodes.com — P054B Code - Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1

What does this mean?

What are the Possible Causes of the DTC P054B?

Camshaft timing incorrectly set
Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber
VCT solenoid valve stuck open
Camshaft advance mechanism binding (VCT unit)

How to Fix the DTC P054B?

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 P054B 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 P054B code?

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Information for Specific Makes

P054B BMW — Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1
P054B Ford — Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1
P054B Lincoln — Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1
P054B Mercury — Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1
P054B MINI — Cold Start Exhaust 'B' Camshaft Position Timing Over-Retarded Bank 1

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.