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Home / DTC / P005C — B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2

P005C — B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2

Detailed page for trouble code P005C.

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Code

P005C

Generic P — Powertrain

B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2

Brand: Generic
Type: P — Powertrain
Views: UK: 21 EN: 30 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty camshaft profile actuator / VVT solenoid (Bank 2, A)
  • Clogged or restricted oil supply / oil passage to the actuator
  • Low engine oil level, low oil pressure, or degraded oil (sludge)
  • Wiring harness open, short, or poor connector connection to actuator
  • Faulty ECU or driver circuit
  • Mechanically seized or damaged cam phaser or timing component

Symptoms

  • Check Engine Light (MIL) illuminated
  • Rough idle, hesitation, or reduced engine power
  • Decreased fuel economy
  • Hard starting or surging
  • Unusual engine noise (ticking/knocking) from valve train area
  • Failed emissions test or increased exhaust emissions

What to check

  • Read and record freeze frame, pending codes and related cam/crank position codes
  • Visual inspection of wiring and connector for the Bank 2 actuator (damage, corrosion, loose pins)
  • Check engine oil level, condition and service history (age, viscosity, sludge)
  • Inspect oil supply passages and VVT solenoid for contamination or blockage
  • Measure resistance of the actuator/solenoid coil and compare to spec
  • Backprobe and verify actuator supply voltage and ground; check ECU control signal (PWM) with scope if available

Signal parameters

  • Actuator control: PWM duty cycle (0–100%) from ECU; duty varies with requested advance/retard
  • Typical phaser movement range: approximately -30° to +30° crank or cam degrees (varies by engine)
  • Solenoid coil resistance: commonly 6–20 ohms (manufacturer specific)
  • Supply voltage: battery/ignition voltage to solenoid (approx. 12 V when key on)
  • Control signal frequency: PWM frequency typically in the 70–250 Hz range (varies by vehicle)

Diagnostic algorithm

  1. Verify the fault: retrieve freeze frame and related codes, then clear codes and reattempt to reproduce.
  2. Visual/wiring: inspect Bank 2 actuator connector and wiring for damage, corrosion, or loose pins; repair as needed.
  3. Oil check: confirm correct oil level and condition; change oil if contaminated or old. Re-test after fresh oil if necessary.
  4. Electrical test: with ignition ON, backprobe connector to check for supply voltage and ground. Use a scope or multimeter to confirm ECU PWM control while cranking/running.
  5. Solenoid resistance: disconnect actuator and measure coil resistance; compare to spec. Replace solenoid if out of range or intermittent.
  6. Remove and inspect solenoid: check for debris, varnish, or sticking plunger. Clean or replace if contaminated.
  7. Actuator mechanical test: command actuator with a diagnostic tool (active test) and observe movement/position feedback. If actuator does not move, suspect mechanical failure or oil feed issue.
  8. Oil passage check: if actuator sticks mechanically, inspect oil feed passages and clean or repair as required (may require cam cover removal).
  9. Timing verification: if actuator and solenoid function correctly but timing is incorrect, inspect timing chain/belt, guides, and cam phaser for mechanical damage.
  10. ECU check: if wiring and actuator test good and mechanical timing OK, consider ECU driver fault and consult manufacturer procedures before replacement.
  11. After repairs: clear codes, perform functional tests and a road test to confirm repair. Monitor for reappearance of P005C.

Likely causes

  • Contaminated oil or clogged oil passage preventing actuator movement
  • Failed VVT solenoid (electrical or stuck mechanically)
  • Open/short in control wiring or poor connector pin contact
  • Low oil level/pressure causing inadequate phaser actuation

Fault status

⚠️ Status
Camshaft Profile Actuator A (Bank 2) control/performance fault — actuator failed to respond or is stuck off. ECU detected position outside expected range and stored P005C.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3.0 hours

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Code

P005C

LAND ROVER P — Powertrain

Intake camshaft - Camshaft profile switching - Performance - Prisoner - Bank 2

Brand: LAND ROVER
Type: P — Powertrain
Views: UK: 19 EN: 35 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty camshaft profile actuator / VVT solenoid (Bank 2, A)
  • Clogged or restricted oil supply / oil passage to the actuator
  • Low engine oil level, low oil pressure, or degraded oil (sludge)
  • Wiring harness open, short, or poor connector connection to actuator
  • Faulty ECU or driver circuit
  • Mechanically seized or damaged cam phaser or timing component

Symptoms

  • Check Engine Light (MIL) illuminated
  • Rough idle, hesitation, or reduced engine power
  • Decreased fuel economy
  • Hard starting or surging
  • Unusual engine noise (ticking/knocking) from valve train area
  • Failed emissions test or increased exhaust emissions

What to check

  • Read and record freeze frame, pending codes and related cam/crank position codes
  • Visual inspection of wiring and connector for the Bank 2 actuator (damage, corrosion, loose pins)
  • Check engine oil level, condition and service history (age, viscosity, sludge)
  • Inspect oil supply passages and VVT solenoid for contamination or blockage
  • Measure resistance of the actuator/solenoid coil and compare to spec
  • Backprobe and verify actuator supply voltage and ground; check ECU control signal (PWM) with scope if available

Signal parameters

  • Actuator control: PWM duty cycle (0–100%) from ECU; duty varies with requested advance/retard
  • Typical phaser movement range: approximately -30° to +30° crank or cam degrees (varies by engine)
  • Solenoid coil resistance: commonly 6–20 ohms (manufacturer specific)
  • Supply voltage: battery/ignition voltage to solenoid (approx. 12 V when key on)
  • Control signal frequency: PWM frequency typically in the 70–250 Hz range (varies by vehicle)

Diagnostic algorithm

  1. Verify the fault: retrieve freeze frame and related codes, then clear codes and reattempt to reproduce.
  2. Visual/wiring: inspect Bank 2 actuator connector and wiring for damage, corrosion, or loose pins; repair as needed.
  3. Oil check: confirm correct oil level and condition; change oil if contaminated or old. Re-test after fresh oil if necessary.
  4. Electrical test: with ignition ON, backprobe connector to check for supply voltage and ground. Use a scope or multimeter to confirm ECU PWM control while cranking/running.
  5. Solenoid resistance: disconnect actuator and measure coil resistance; compare to spec. Replace solenoid if out of range or intermittent.
  6. Remove and inspect solenoid: check for debris, varnish, or sticking plunger. Clean or replace if contaminated.
  7. Actuator mechanical test: command actuator with a diagnostic tool (active test) and observe movement/position feedback. If actuator does not move, suspect mechanical failure or oil feed issue.
  8. Oil passage check: if actuator sticks mechanically, inspect oil feed passages and clean or repair as required (may require cam cover removal).
  9. Timing verification: if actuator and solenoid function correctly but timing is incorrect, inspect timing chain/belt, guides, and cam phaser for mechanical damage.
  10. ECU check: if wiring and actuator test good and mechanical timing OK, consider ECU driver fault and consult manufacturer procedures before replacement.
  11. After repairs: clear codes, perform functional tests and a road test to confirm repair. Monitor for reappearance of P005C.

Likely causes

  • Contaminated oil or clogged oil passage preventing actuator movement
  • Failed VVT solenoid (electrical or stuck mechanically)
  • Open/short in control wiring or poor connector pin contact
  • Low oil level/pressure causing inadequate phaser actuation

Fault status

⚠️ Status
Camshaft Profile Actuator A (Bank 2) control/performance fault — actuator failed to respond or is stuck off. ECU detected position outside expected range and stored P005C.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3.0 hours

Similar codes

P0010 P0011 P0013 P0014 P0020 P0021
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