OBD Guide
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P05E7

Park Brake Sensor/Switch Circuit Intermittent/Erratic

P05E7 is an OBD-II diagnostic trouble code meaning: Park Brake Sensor/Switch Circuit Intermittent/Erratic. Common causes: unreliable contact in the sensor connector (oxidation), frayed wiring that shorts out when vibrating. Estimated repair cost: $17–67.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Intermittent ABS/ESP/Parking Brake Warnings
  • Unstable operation of the hill hold function
  • Check Engine Light Is On (Intermittent)
  • Unpredictable behavior of the start-stop system
  • Symptoms occur when there is vibration, rough roads, or changes in temperature.

Causes

  • Unreliable contact in the sensor connector (oxidation)
  • Frayed wiring that shorts out when vibrating
  • Mechanically unstable sensor (case crack)
  • Dirty parking brake switch contacts
  • Loose sensor mount

How to Fix

  1. Read the codes, pay attention to the intermittent nature (intermittent)
  2. Inspect the sensor connector, clean the contacts with contact lubricant
  3. Shake the wiring harness with the ignition on - check if the signal changes
  4. Check the mounting of the parking brake sensor
  5. Check the wiring for chafing along the entire route
  6. Replace sensor if intermittent fault is confirmed

Related codes

P05E6P0571P0572P0573

Error P05E7 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P05E7 code mean?

P05E7 is an OBD-II diagnostic trouble code that indicates: Park Brake Sensor/Switch Circuit Intermittent/Erratic

What causes a P05E7 error code?

The most common causes of P05E7 include: Unreliable contact in the sensor connector (oxidation); Frayed wiring that shorts out when vibrating; Mechanically unstable sensor (case crack); Dirty parking brake switch contacts.

How do I fix a P05E7 diagnostic trouble code?

To fix P05E7: Read the codes, pay attention to the intermittent nature (intermittent). Inspect the sensor connector, clean the contacts with contact lubricant. Shake the wiring harness with the ignition on - check if the signal changes. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05E7?

Limited driving only, diagnose soon

How much does it cost to fix P05E7?

The estimated repair cost for P05E7 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat