Code
C1007
LAND ROVER
C — Chassis
Power strut - of the right engine
Views:
UK: 4
EN: 10
RU: 4
AI status
Completed
Completed
100%
Causes
- Open/short in power or ground circuit to the right power strut
- Corroded or disconnected connector or wiring harness to the strut
- Failed internal solenoid/actuator or valve in the power strut
- Hydraulic leak or loss of pressure in the strut (or related lines)
- Failed position/pressure sensor associated with the strut
- Blown fuse or relays supplying the mount system
Symptoms
- Illuminated warning lamp or service message for power strut/engine mount
- Increased engine vibration or harshness at idle or idle-to-drive transition
- Clunking or knocking noises during acceleration, deceleration or gear changes
- Excessive engine movement under load
- Diminished NVH control (noise, vibration, harshness)
- Possible limp-home or reduced system performance message on some models
What to check
- Read and record all fault codes and freeze-frame/live data using a capable diagnostic tool
- Visually inspect the right power strut, mounting points, hoses and nearby wiring for damage, fluid leaks or corrosion
- Check fuse(s) and relays for the mount/actuator circuit
- Check connector security and pin condition at the strut and at the control module
- Measure supply voltage and ground at the strut connector with ignition on
- Use diagnostic tool to command/activate the right strut and observe response
Signal parameters
- Supply voltage to strut: ~11–14 V with ignition on (nominal battery voltage)
- Ground continuity: near 0 ohms between connector ground and chassis
- Actuator coil/solenoid resistance: expected to be a low-ohm value (check OEM spec)
- Actuation current draw: should not be abnormally high (indicates short) or open (indicates open circuit)
- Command/feedback response: actuator should move/respond when commanded by scan tool
- Hydraulic/pressure feedback (where fitted): pressure values should change when commanded (refer to OEM pressure range)
Diagnostic algorithm
- Connect a suitable OEM-level diagnostic tool, read and record C1007 and any other codes, then clear codes and see if C1007 returns.
- Visually inspect the right power strut, mount hardware, surrounding wiring harness, connectors and hoses for damage or leaks.
- Check related fuses and relays; replace if faulty.
- With ignition on (engine off), back-probe the strut connector: verify battery supply voltage and a good ground. Note values.
- Measure actuator coil/solenoid resistance per OEM procedure; compare to specification. Replace if open or out of range.
- Use the diagnostic tool to command the strut actuator while watching for movement and change in related sensor/live data. If no response, confirm wiring continuity between ECU and actuator.
- Inspect hydraulic lines and fittings for leaks or loss of fluid/pressure if the strut is a hydraulic type. Repair leaks and refill/bleed system per procedure.
- If wiring and power are good but the actuator fails to operate, replace the right power strut assembly.
- After any repair or replacement, perform required adaptations/programming if required by manufacturer, clear codes and perform a road test while monitoring live data to confirm correct operation.
- If fault persists after replacing the strut, suspect control module or software issue and consult OEM technical service information.
Likely causes
- Damaged connector or wiring at the right power strut (most common)
- Failed solenoid/actuator inside the strut
- External hydraulic leak at strut or hose/fitting
- Blown fuse or poor ground to mount control circuit
Fault status
Status
Right power strut fault — electrical or hydraulic/actuator malfunction detected; right engine mount function impaired.
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
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