OBD Guide
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C1702

Parking Aid Right Rear Outer Sensor Circuit Short To Battery

C1702 is an OBD-II diagnostic trouble code meaning: Parking Aid Right Rear Outer Sensor Circuit Short To Battery. Common causes: short circuit of the sensor wiring to the on-board power supply (+12v), mechanical damage to wiring (impact, chafing). Estimated repair cost: $17–67.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–67 (est.)

Symptoms

  • The parking sensor malfunction lamp is on
  • System silence when reversing
  • No sound signal from right rear corner
  • Sensor error on parking sensor display
  • Complete disabling of the parking sensor system

Causes

  • Short circuit of the sensor wiring to the on-board power supply (+12V)
  • Mechanical damage to wiring (impact, chafing)
  • Internal breakdown of the sensor
  • Damage to the bumper connector or wiring harness
  • Moisture getting into the sensor connector

How to Fix

  1. Inspect the right rear corner of the bumper for mechanical damage
  2. Check the sensor and its connector for cracks, moisture or corrosion.
  3. Measure the voltage on the sensor signal wire (normally a low pulse signal)
  4. Check the wiring insulation for short to positive
  5. Replace a damaged sensor or wiring section
  6. Reset codes and check parking sensor operation

Related codes

C1701C1703C1704C1710

FAQ

What does the C1702 code mean?

C1702 is an OBD-II diagnostic trouble code that indicates: Parking Aid Right Rear Outer Sensor Circuit Short To Battery

What causes a C1702 error code?

The most common causes of C1702 include: Short circuit of the sensor wiring to the on-board power supply (+12V); Mechanical damage to wiring (impact, chafing); Internal breakdown of the sensor; Damage to the bumper connector or wiring harness.

How do I fix a C1702 diagnostic trouble code?

To fix C1702: Inspect the right rear corner of the bumper for mechanical damage. Check the sensor and its connector for cracks, moisture or corrosion.. Measure the voltage on the sensor signal wire (normally a low pulse signal). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1702?

Do not drive — repair immediately

How much does it cost to fix C1702?

The estimated repair cost for C1702 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat