Code
P0982
LAND ROVER
P — Powertrain
low D control circuit change solenoid
Views:
UK: 7
EN: 11
RU: 8
AI status
Completed
Completed
100%
Causes
- Open, short to ground, or short to battery in the solenoid harness
- Corroded, loose, or damaged solenoid connector
- Failed transmission shift/change solenoid (D)
- Blown fuse or poor battery/ignition power supply
- Faulty transmission control module (TCM) or PCM output driver
- Internal transmission wiring fault or circuit board issue
Symptoms
- Check Engine or Transmission MIL illuminated
- Harsh, delayed, or erratic shifting in affected gears
- Transmission may default to limp/limited shift mode
- Vehicle may be stuck in a single gear or refuse to shift into Drive properly
- Possible unusual transmission noise or degraded performance
What to check
- Read freeze frame and live data with a calibrated scan tool; confirm P0982 and any related codes
- Visually inspect harness and connector at the transmission solenoid pack for corrosion, damage, or moisture
- Check relevant fuses and battery/ignition supply voltage
- Backprobe solenoid connector and measure control voltage while commanding solenoid on/off from scan tool
- Measure solenoid coil resistance and compare to factory spec
- Perform wiggle test of harness while monitoring voltage/continuity for intermittent faults
Signal parameters
- Control driver output: typically a switched/PWM duty from 0 V (off) to battery voltage (~12 V) when commanded — verify with factory data
- Expected solenoid coil resistance: commonly ~20–60 Ω (varies by model) — consult Land Rover specification
- Supply voltage at connector (key ON): battery voltage (~12 V) present on supply pin
- Ground continuity: near 0 Ω from solenoid ground to chassis/TCM ground when measured with harness disconnected
- When commanded ON, control line should show a change in voltage or PWM duty cycle as specified by the TCM
Diagnostic algorithm
- Confirm code and capture freeze frame/live data. Note battery voltage and operating conditions when the code set.
- Visual inspection: battery condition, fuses, wiring, and connectors at the transmission solenoid pack for damage or corrosion.
- With ignition ON, backprobe the solenoid connector. Verify reference/supply voltage is present and stable (battery voltage).
- Command the D solenoid ON/OFF using a scan tool while monitoring control wire voltage and PWM. Document responses.
- Measure solenoid coil resistance with connector disconnected. Compare to factory spec; infinite/low resistance indicates open/short.
- Check continuity from TCM output pin to solenoid connector pin. Check for short to ground or battery using an ohmmeter/short tester.
- Perform wiggle/functional test along harness while monitoring for intermittent changes. Repair damaged wiring or connector terminals.
- If wiring and solenoid check good, substitute a known-good solenoid or control module if available and retest.
- If fault persists after harness and solenoid replacement, test or replace the TCM/PCM output driver according to Land Rover procedures.
- Clear codes and perform a road test under similar conditions to verify repair. Re-scan for related codes.
Likely causes
- Damaged or corroded connector at transmission solenoid pack
- Short to ground in wiring between TCM and solenoid
- Failed D change/shift solenoid coil
- Weak or missing fused ignition power or poor ground at transmission
- Faulty TCM (less common)
Fault status
Status
P0982 — Low D control circuit for transmission change/shift solenoid. Low voltage, short to ground, open circuit, or driver fault detected. May cause abnormal shifting or limp mode.
Repair difficulty: Medium
Diagnostic time: 1.0-3.0 hours
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