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P135A Cadillac Code - Ignition Coil Supply Voltage Circuit Bank 1

- Code Popularity: 1,545 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code P135A Cadillac Possible Causes

  • Blown Ignition Coil Fuse
  • Ignition Coil Fuse harness is open or shorted
  • Ignition Coil Fuse circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How do I Fix the Code P135A Cadillac?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Cadillac have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P135A Cadillac?

Labor: 1.0

The cost of diagnosing the P135A Cadillac code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code P135A Cadillac Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P135A Cadillac Description

The ignition system uses an individual ignition coil for each cylinder. The Engine Control Module (ECM) monitors the ignition voltage from the fuse to the individual coils. The Diagnostic Trouble Code (DTC) will be set if the ECM detects less than 2.5 V on the ignition coil supply voltage circuit.

OBDII Code P135A Cadillac - Ignition Coil Supply Voltage Circuit Bank 1 - AutoCodes.com
P135A Cadillac Code - Ignition Coil Supply Voltage Circuit Bank 1

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