P2603 — Coolant Pump Control Circuit High

Powertrain (engine/transmission)

Coolant Pump Control Circuit High

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Can I drive with P2603?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P2603 mean?

P2603 means Coolant Pump Control Circuit High.

Can I keep driving with P2603?

You can usually drive home and book an inspection within a few days.

Related fault codes

• P2600 — Coolant Pump Control Circuit/Open
• P2601 — Coolant Pump Control Circuit Range/Performance
• P2602 — Coolant Pump Control Circuit Low
• P2610 — ECM/PCM Internal Engine Off Timer Performance
• P2614 — Camshaft Position Signal Output Circuit/Open
• P2617 — Crankshaft Position Signal Output Circuit/Open
• P2626 — O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1)
• P2627 — O2 Sensor Pumping Current Trim Circuit Low (Bank 1 Sensor 1)
• P2628 — O2 Sensor Pumping Current Trim Circuit High (Bank 1 Sensor 1)
• P2629 — O2 Sensor Pumping Current Trim Circuit/Open (Bank 2 Sensor 1)

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