Featured products
-
Jeep Wrangler TJ 04-06 4.0L MANUAL PCM/ECU/ECM 56044498AK 56044526AJ 56044527AI 56044539AK
Regular price $699.00 AUDRegular priceUnit price per -
Jeep Wrangler TJ 04-06 4.0L AUTOMATIC PCM/ECU/ECM 56044528AK 56044531AJ 56044533AJ 56044542AK
Regular price $699.00 AUDRegular priceUnit price per -
Jeep Wrangler TJ 04-06 2.4L MANUAL PCM/ECU/ECM 56044534AF 56044536AE
Regular price $699.00 AUDRegular priceUnit price per
Symptoms of a failing PCM
-
Performance & Driveability Problems
- Intermittent starting or no start at all
- Immobilizer problems (no crank, flashing security light)
- Stalling, rough idle, or loss of power
- No spark, weak spark, or engine misfiring
- Fuel pump or injector control failure
- Check Engine or security light illuminated
- No communication with diagnostic scan tools
- Erratic sensor signals (MAF, TPS, O2, etc.)
-
Transmission Issues
- Hard shifting
- Delayed gear changes
- Stuck in limp mode
Related Diagnostic Trouble Codes (DTCs)- P0601 – Internal Memory Checksum Error (ECM failure)
- P0605 – ROM Error (corrupt software or hardware)
- P0606 – ECM Processor Fault
- U0100 – Lost communication with ECM/PCM
News
View all-
Jeep Not Charging? Don’t Blame the Alternator J...
Jeep not charging? It’s not always the alternator. Many Jeeps use a PCM-controlled charging system—and if the internal voltage regulator fails, the alternator can’t do its job. Test before you...
Jeep Not Charging? Don’t Blame the Alternator J...
Jeep not charging? It’s not always the alternator. Many Jeeps use a PCM-controlled charging system—and if the internal voltage regulator fails, the alternator can’t do its job. Test before you...
-
Kia Rio ECU Problems: What You Need to Know
Some Kia Rio models experience ECU failures that lead to engine stalling, starting issues, and warning lights. ECUHack provides replacement units and cloning services to get your Rio back on...
Kia Rio ECU Problems: What You Need to Know
Some Kia Rio models experience ECU failures that lead to engine stalling, starting issues, and warning lights. ECUHack provides replacement units and cloning services to get your Rio back on...
-
Hyundai i20 ECU Failure: Common Symptoms, Cause...
If you own a Hyundai i20 (2009–2014) and are experiencing starting issues, stalling, or ECU-related error codes, you’re not alone. These models are known for ECU failures caused by water...
Hyundai i20 ECU Failure: Common Symptoms, Cause...
If you own a Hyundai i20 (2009–2014) and are experiencing starting issues, stalling, or ECU-related error codes, you’re not alone. These models are known for ECU failures caused by water...
-
Why 2005–2006 Jeep Wrangler PCMs Fail – And How...
f you own a 2005 or 2006 Jeep Wrangler, you may have experienced frustrating electrical or transmission issues that seem to come from nowhere — stuck in gear, check engine light,...
Why 2005–2006 Jeep Wrangler PCMs Fail – And How...
f you own a 2005 or 2006 Jeep Wrangler, you may have experienced frustrating electrical or transmission issues that seem to come from nowhere — stuck in gear, check engine light,...
