OBD Guide

P1CC8

Low Battery Voltage-Main Micro Processor Supply Shorted To Ground Or Open

P1CC8 is an OBD-II diagnostic trouble code meaning: Low Battery Voltage-Main Micro Processor Supply Shorted To Ground Or Open. Common causes: short circuit of power supply to ground, broken wire in the ecu power supply circuit. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Unstable engine operation
  • Problems starting the engine
  • Check Engine Light Is On
  • Malfunctions of the car's electronic systems
  • Spontaneous shutdown of the dashboard

Causes

  • Short circuit of power supply to ground
  • Broken wire in the ECU power supply circuit
  • Engine control unit malfunction
  • Wiring harness damage
  • Poor contact in ECU connectors

How to Fix

  1. Check battery and generator voltage
  2. Inspect the wiring harness for damage
  3. Check the integrity of the ECU power supply circuit
  4. Check the contacts in the control unit connectors
  5. If necessary, replace the control unit

Related codes

FAQ

What does the P1CC8 code mean?

P1CC8 is an OBD-II diagnostic trouble code that indicates: Low Battery Voltage-Main Micro Processor Supply Shorted To Ground Or Open

What causes a P1CC8 error code?

The most common causes of P1CC8 include: Short circuit of power supply to ground; Broken wire in the ECU power supply circuit; Engine control unit malfunction; Wiring harness damage.

How do I fix a P1CC8 diagnostic trouble code?

To fix P1CC8: Check battery and generator voltage. Inspect the wiring harness for damage. Check the integrity of the ECU power supply circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1CC8?

Limited driving only, diagnose soon

How much does it cost to fix P1CC8?

The estimated repair cost for P1CC8 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat