Is it safe to drive with a P0601 code?

Severity is high. Address P0601 sooner rather than later — driving with an active check engine light can worsen the problem or void emissions warranties.

How much does it cost to fix P0601?

Repair costs for P0601 typically range from $150 to $1500 in the US, depending on the underlying cause. The most common fix is: Battery voltage spike during a recent jump-start.

What are the symptoms of P0601?

CEL. Random misfires. Hard starting. Stalling.

Check Engine Code

P0601

Internal Control Module Memory Check Sum Error

Severity: high DIY difficulty: 5/5 Typical cost: $150–$1500

What P0601 means

The ECM ran a self-check and detected that its memory does not match the expected checksum. Sometimes self-clears after a battery disconnect; persistent P0601 typically means ECM replacement.

Symptoms

CEL
Random misfires
Hard starting
Stalling

Likely causes (most common first)

Battery voltage spike during a recent jump-start
Water damage to the ECM
Failed ECM
Recent reflash that didn't complete

Can I keep driving?

High — risk of damage if ignored

Typical repair cost

DIY fixes can start near $150 (parts only). Shop repairs for P0601 typically run up to $1500 depending on the underlying cause and vehicle. Start with the most common cause — Battery voltage spike during a recent jump-start — before throwing parts at it.

Related codes

P0603P0604P0606

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