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Home / DTC / P1214 — Intermittent pedal position sensor B

P1214 — Intermittent pedal position sensor B

Detailed page for trouble code P1214.

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P1214

LAND ROVER P — Powertrain

Intermittent pedal position sensor B

Brand: LAND ROVER
Type: P — Powertrain
AI status
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Page language: EN

Causes

  • Damaged/chafed wiring in pedal sensor B circuit
  • Corroded/loose connector at pedal assembly or ECU
  • Failed pedal position sensor (sensor B)
  • Intermittent contact from harness movement (wiggle-sensitive)
  • Poor ground or low reference voltage to sensor
  • Water ingress or contamination in pedal connector

Symptoms

  • Malfunction Indicator Lamp (MIL) illuminated
  • Intermittent or erratic throttle response
  • Surging, hesitation, or loss of power
  • Engine may go into limp/reduced-power mode
  • Unexpected throttle behavior during pedal movement
  • Codes may be intermittent (appear and clear)

What to check

  • Read stored and pending DTCs with a capable scan tool; record freeze-frame and freeze data
  • Check for additional related codes (throttle position/pedal sensor A/B correlation)
  • Visually inspect pedal assembly, connector, and wiring harness for damage, corrosion, or water ingress
  • Wiggle test harness and connectors while monitoring live data to reproduce the fault
  • Backprobe pedal sensor connector and measure reference, ground and signal voltages with key ON and pedal moved
  • Check continuity and for intermittent opens/shorts between pedal connector and ECM connector

Signal parameters

  • Typical pedal position sensor output: nominally a 0–5 V DC signal that varies smoothly with pedal travel
  • Expected idle/closed pedal voltage: often ~0.3–1.0 V (manufacturer specific)
  • Expected wide-open pedal voltage: commonly ~4.0–4.8 V (manufacturer specific)
  • Sensor A and B signals should correlate closely (similar slope) — difference usually small (< ~0.2–0.5 V)
  • No rapid dropouts, spikes, or intermittent loss of signal when pedal is moved

Diagnostic algorithm

  1. Connect a factory-level scan tool; read and record all codes and freeze-frame data. Note whether code is current or intermittent.
  2. Inspect pedal connector and harness for damage, chafing, corrosion, or water ingress. Repair as needed.
  3. With key ON (engine off), backprobe the pedal sensor connector: verify reference voltage (usually 5 V), sensor ground, and sensor B signal voltage. Compare to expected ranges.
  4. Monitor live data for pedal sensor A and B while slowly moving the pedal. Look for smooth, proportional change and correlation between A and B. Attempt to reproduce the intermittent condition by wiggling the harness and connector.
  5. Perform continuity and wiggle tests between pedal connector and ECU connector to find intermittent opens/shorts. Repair broken wires, replace damaged connectors, and secure harness routing.
  6. If wiring and connector tests are good but signal B is erratic or out of range while sensor A is correct, replace the pedal module/sensor assembly.
  7. After repairs, clear codes and perform a test drive to verify the fault does not return and that throttle response is normal.
  8. If problem persists and wiring/pedal assembly are confirmed good, consider ECM input fault or software — consult manufacturer service information for reprogramming or ECM testing.
  9. Safety note: avoid working near moving components; support vehicle and disconnect battery only when instructed by repair procedure.

Likely causes

  • Wiring harness damage between pedal and ECU
  • Faulty/contaminated connector at pedal assembly
  • Pedal position sensor B internal failure
  • Intermittent open or short to voltage/ground caused by harness routing

Fault status

⚠️ Status
Intermittent signal detected from accelerator pedal position sensor B circuit. Possible open/short/intermittent connection, sensor or pedal module fault; MIL set. May cause erratic throttle response or limp mode.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

P0120 P0121 P0122 P0123 P0220 P0221
413

Browse 413 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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