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Home / DTC / P054D — Cold Start B Camshaft Position Timing Over-Retarded Bank 2

P054D — Cold Start B Camshaft Position Timing Over-Retarded Bank 2

Detailed page for trouble code P054D.

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Code

P054D

Generic P — Powertrain

Cold Start B Camshaft Position Timing Over-Retarded Bank 2

Brand: Generic
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty or sticking oil control valve (OCV) / VVT solenoid for Cam B (Bank 2)
  • Clogged or restricted oil passages to the cam phaser
  • Low engine oil level, wrong viscosity, or contaminated oil (affects VVT operation)
  • Failed or stuck cam phaser / actuator (Bank 2, Cam B)
  • Timing chain/belt jump or stretched timing components
  • Faulty camshaft position (CMP) sensor or contaminated sensor tone wheel

Symptoms

  • Malfunction Indicator Lamp (MIL/DTC) illuminated for cam timing
  • Rough or harsh idle on cold start
  • Hard starting or longer cranking time when cold
  • Reduced low-speed power and drivability issues until engine warms
  • Increased exhaust emissions or failed cold-start emissions checks
  • Occasional abnormal cam-related noise (ticking/chatter) near startup

What to check

  • Read freeze-frame and live data; confirm code set during cold-start conditions (record warm vs cold behavior)
  • Scan for related DTCs (other camshaft/cam correlation, oil pressure, CMP circuit codes)
  • Inspect engine oil level, viscosity, and condition (replace if dirty or incorrect)
  • Visually inspect OCV/VVT solenoid connector and wiring for damage, corrosion, or poor contact
  • Command OCV with a scan tool (bidirectional test) and observe response at cold start
  • Monitor actual vs target camshaft angle, OCV duty/current, oil pressure, engine speed and coolant temp during a cold start

Signal parameters

  • Target Cam B angle (Bank 2) — commanded degrees (camshaft angle)
  • Actual Cam B angle (Bank 2) — measured degrees
  • Cam angle deviation = Actual − Target (degrees)
  • OCV / VVT solenoid duty cycle (%) commanded by ECM
  • OCV current (A) or resistance (Ω) if measured
  • Engine oil pressure (psi or bar) during cranking and idle

Diagnostic algorithm

  1. Retrieve freeze frame and freeze-frame parameters to verify the code occurred during a cold-start condition.
  2. Inspect oil level and quality; correct level and replace oil if it is old, dirty, or wrong viscosity. Re-test — many VVT faults clear after oil service.
  3. Visually inspect connectors and wiring to the Bank 2 Cam B OCV and CMP sensor. Repair any damage, corrosion, or loose pins.
  4. With a scan tool, monitor desired vs actual cam angle and OCV duty cycle during a controlled cold start. Note whether command changes but actual cam angle does not follow.
  5. Perform bidirectional control: command the OCV and observe response (change in cam angle). If no change, bench-test or measure OCV resistance/current to determine electrical failure.
  6. Check oil passages to the cam phaser (service manual procedure). Remove and inspect OCV and filter/screen for contamination or debris; clean or replace as required.
  7. If OCV and oil feed are good but cam angle does not respond, inspect cam phaser/actuator for mechanical seizure or internal failure. This may require cam cover removal and mechanical inspection.
  8. If timing chain or sprocket alignment is suspect (noise, extreme deviation), perform timing verification and repair/replace chain, guides, tensioner, or phaser as needed.
  9. Check CMP sensor operation and camshaft timing correlation (crank vs cam correlation DTCs like P0016). Replace CMP if it provides incorrect signal.
  10. After repairs, clear codes and perform multiple cold-start cycles to confirm the fault does not recur. If intermittent, capture live data with logging through cold start to confirm cure.
  11. Consider ECM software update or reflash if manufacturer TSBs/updates address similar cold-start cam timing faults.

Likely causes

  • OCV stuck open/closed or electrically failing under cold conditions
  • Dirty/oxidized oil or wrong oil viscosity preventing fast VVT response at cold start
  • Cam phaser mechanical seizure or internal oil leak in the phaser
  • Wiring/connector intermittent fault to the OCV or CMP sensor
  • Timing chain slack or phaser alignment error allowing excessive retard

Fault status

⚠️ Status
ECM detected Camshaft B (Bank 2) timing retarded beyond allowed limit during cold start. Possible causes include VVT/OCV failure, low or contaminated oil, cam phaser mechanical fault, wiring/CMP sensor issues, or timing component problems. Recommend checking oil, OCV operation, cam correlation, and mechanical timing components.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours
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Code

P054D

LAND ROVER P — Powertrain

Escape of cold start B - Timing of the camshaft position - Bank with excessive delay 2

Brand: LAND ROVER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty or sticking oil control valve (OCV) / VVT solenoid for Cam B (Bank 2)
  • Clogged or restricted oil passages to the cam phaser
  • Low engine oil level, wrong viscosity, or contaminated oil (affects VVT operation)
  • Failed or stuck cam phaser / actuator (Bank 2, Cam B)
  • Timing chain/belt jump or stretched timing components
  • Faulty camshaft position (CMP) sensor or contaminated sensor tone wheel

Symptoms

  • Malfunction Indicator Lamp (MIL/DTC) illuminated for cam timing
  • Rough or harsh idle on cold start
  • Hard starting or longer cranking time when cold
  • Reduced low-speed power and drivability issues until engine warms
  • Increased exhaust emissions or failed cold-start emissions checks
  • Occasional abnormal cam-related noise (ticking/chatter) near startup

What to check

  • Read freeze-frame and live data; confirm code set during cold-start conditions (record warm vs cold behavior)
  • Scan for related DTCs (other camshaft/cam correlation, oil pressure, CMP circuit codes)
  • Inspect engine oil level, viscosity, and condition (replace if dirty or incorrect)
  • Visually inspect OCV/VVT solenoid connector and wiring for damage, corrosion, or poor contact
  • Command OCV with a scan tool (bidirectional test) and observe response at cold start
  • Monitor actual vs target camshaft angle, OCV duty/current, oil pressure, engine speed and coolant temp during a cold start

Signal parameters

  • Target Cam B angle (Bank 2) — commanded degrees (camshaft angle)
  • Actual Cam B angle (Bank 2) — measured degrees
  • Cam angle deviation = Actual − Target (degrees)
  • OCV / VVT solenoid duty cycle (%) commanded by ECM
  • OCV current (A) or resistance (Ω) if measured
  • Engine oil pressure (psi or bar) during cranking and idle

Diagnostic algorithm

  1. Retrieve freeze frame and freeze-frame parameters to verify the code occurred during a cold-start condition.
  2. Inspect oil level and quality; correct level and replace oil if it is old, dirty, or wrong viscosity. Re-test — many VVT faults clear after oil service.
  3. Visually inspect connectors and wiring to the Bank 2 Cam B OCV and CMP sensor. Repair any damage, corrosion, or loose pins.
  4. With a scan tool, monitor desired vs actual cam angle and OCV duty cycle during a controlled cold start. Note whether command changes but actual cam angle does not follow.
  5. Perform bidirectional control: command the OCV and observe response (change in cam angle). If no change, bench-test or measure OCV resistance/current to determine electrical failure.
  6. Check oil passages to the cam phaser (service manual procedure). Remove and inspect OCV and filter/screen for contamination or debris; clean or replace as required.
  7. If OCV and oil feed are good but cam angle does not respond, inspect cam phaser/actuator for mechanical seizure or internal failure. This may require cam cover removal and mechanical inspection.
  8. If timing chain or sprocket alignment is suspect (noise, extreme deviation), perform timing verification and repair/replace chain, guides, tensioner, or phaser as needed.
  9. Check CMP sensor operation and camshaft timing correlation (crank vs cam correlation DTCs like P0016). Replace CMP if it provides incorrect signal.
  10. After repairs, clear codes and perform multiple cold-start cycles to confirm the fault does not recur. If intermittent, capture live data with logging through cold start to confirm cure.
  11. Consider ECM software update or reflash if manufacturer TSBs/updates address similar cold-start cam timing faults.

Likely causes

  • OCV stuck open/closed or electrically failing under cold conditions
  • Dirty/oxidized oil or wrong oil viscosity preventing fast VVT response at cold start
  • Cam phaser mechanical seizure or internal oil leak in the phaser
  • Wiring/connector intermittent fault to the OCV or CMP sensor
  • Timing chain slack or phaser alignment error allowing excessive retard

Fault status

⚠️ Status
ECM detected Camshaft B (Bank 2) timing retarded beyond allowed limit during cold start. Possible causes include VVT/OCV failure, low or contaminated oil, cam phaser mechanical fault, wiring/CMP sensor issues, or timing component problems. Recommend checking oil, OCV operation, cam correlation, and mechanical timing components.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours
321

Browse 321 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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